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Groups > aus.computers > #71467 > unrolled thread

Why secure boot might be a good idea on your Linux machine

Started byKeithr0 <nothing.to.see@here.com.au>
First post2024-11-28 21:55 +1000
Last post2024-12-16 16:39 +1000
Articles 20 on this page of 43 — 8 participants

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Contents

  Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-11-28 21:55 +1000
    Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-11-29 07:27 +1000
      Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-11-29 10:54 +1000
        Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-11-30 17:53 +1000
          Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-01 06:43 +1000
            Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-02 21:31 +1000
            Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-09 19:31 +1100
              Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-09 19:33 +1000
                Re: Why secure boot might be a good idea on your Linux machine Daniel70 <daniel47@nomail.afraid.org> - 2024-12-10 00:22 +1100
                  Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-10 20:36 +1000
                    Re: Why secure boot might be a good idea on your Linux machine Daniel70 <daniel47@nomail.afraid.org> - 2024-12-10 22:05 +1100
                    Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-11 00:38 +1100
                      Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-11 07:20 +1000
                        Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-18 09:43 +1100
                          Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-18 09:59 +1100
                          Re: Why secure boot might be a good idea on your Linux machine Computer Nerd Kev <not@telling.you.invalid> - 2024-12-18 11:32 +1000
                            Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-19 13:18 +1100
                              Re: Why secure boot might be a good idea on your Linux machine Computer Nerd Kev <not@telling.you.invalid> - 2024-12-19 13:34 +1000
                                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-19 17:57 +1100
                                  Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-19 18:22 +1100
                                    Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-19 20:34 +1100
                                    Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-20 12:26 +1100
                                      Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-21 07:34 +1000
                                        Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-21 12:30 +1100
                                          Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-21 14:36 +1000
                                            Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-21 18:18 +1100
                                          Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-21 22:32 +1100
                                            Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-22 07:55 +1000
                                              Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-23 11:14 +1100
                                                Re: Why secure boot might be a good idea on your Linux machine Computer Nerd Kev <not@telling.you.invalid> - 2024-12-23 16:48 +1000
                                        Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-23 12:12 +1100
                                          Re: Why secure boot might be a good idea on your Linux machine Computer Nerd Kev <not@telling.you.invalid> - 2024-12-23 16:52 +1000
                                          Re: Why secure boot might be a good idea on your Linux machine ng <ng@ng.com> - 2024-12-29 14:33 +0000
                                            Re: Why secure boot might be a good idea on your Linux machine ng <ng@ng.com> - 2025-01-03 03:43 +0000
                                              Re: Why secure boot might be a good idea on your Linux machine MightyMouse <"squeak!"@thecheesefactory.com> - 2025-01-05 18:43 +1100
                                            Re: Why secure boot might be a good idea on your Linux machine MightyMouse <"squeak!"@thecheesefactory.com> - 2025-01-05 18:43 +1100
              Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-10 08:05 +1000
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-10 10:23 +1100
                  Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-11 07:28 +1000
                    Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-12 21:41 +1000
                      Re: Why secure boot might be a good idea on your Linux machine noel <deletethis@invalid.lan> - 2024-12-13 07:08 +1000
                      Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-13 07:19 +1000
                        Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-16 16:39 +1000

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#71503

FromMighty Mouse <"squeak!"@thecheesefactory.com>
Date2024-12-19 20:34 +1100
Message-ID<lsi7lmFpcpmU1@mid.individual.net>
In reply to#71502
Mighty Mouse wrote:
> Mighty Mouse wrote:
>> Computer Nerd Kev wrote:
>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>> Computer Nerd Kev wrote:
>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>> Computer Nerd Kev wrote:
>>>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>> how can I check? and if there is one how do I get rid of it?
>>>>> I'm not sure if that can be done reliably, but I wouldn't jump to
>>>>> conclusions, especially if the trouble only started after you
>>>>> upgraded the CPU.
>>>>>
>>>>>> if it's not a boot virus what else could be the problem?
>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>> so it may not have reached the memory region that's faulty.
>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest,
>>>> and the computer turned off after a few minutes. so in case that 
>>>> ram was
>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>> memtest. it ran for 21 minutes then the computer turned off again! you
>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure 
>>>> this is
>>>> not supposed to happen.
>>> Yes, it's supposed to keep testing forever. That's certainly a
>>> hardware problem.
>>>
>>>> one other thing, the power supply in this PC failed, it was emitting a
>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new 
>>>> one.
>>>> it's only since then that these problems have started. could it be 
>>>> that
>>>> the motherboard is faulty?
>>> Yep, though it could be just one RAM slot so you might try moving
>>> the RAM sticks about.
>>
>> ok
>
> the RAM was running as dual channel in A2/B2 slots. I'll put it in 
> A1/B1 and run memtest again. btw.. memtest is now in the BIOS as a 
> boot option, and I can't see anyway to remove it.  ?

nup. I still had the USB plugged in at the rear, and didn't notice

>
>>
>>>   It might also be that the CPU wasn't aligned
>>> quite right when you replaced it.
>>
>> no, i installed it very carefully.
>>
>>>
>>>>>> I've tried windows repair, and it didn't fix it.
>>>>> Did you try Safe Mode (assuming that's still around in Win10)?
>>>> no, but I will. stupid M$ has made it more difficult to get into safe
>>>> mode. it used to be that you just pressed F8 at boot.
>>> With Memtest86 failing then that means the problem isn't in Windows
>>> anyway.
>>>
>>
>> you're right. I will put the old CPU back, and reinstall windows. if 
>> the problem is still extant I'll junk this motherboard.
>>
>
>


-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71505

FromMighty Mouse <"squeak!"@thecheesefactory.com>
Date2024-12-20 12:26 +1100
Message-ID<lsjvdpF3g6vU1@mid.individual.net>
In reply to#71502
Mighty Mouse wrote:
> Mighty Mouse wrote:
>> Computer Nerd Kev wrote:
>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>> Computer Nerd Kev wrote:
>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>> Computer Nerd Kev wrote:
>>>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>> how can I check? and if there is one how do I get rid of it?
>>>>> I'm not sure if that can be done reliably, but I wouldn't jump to
>>>>> conclusions, especially if the trouble only started after you
>>>>> upgraded the CPU.
>>>>>
>>>>>> if it's not a boot virus what else could be the problem?
>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>> so it may not have reached the memory region that's faulty.
>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest,
>>>> and the computer turned off after a few minutes. so in case that 
>>>> ram was
>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>> memtest. it ran for 21 minutes then the computer turned off again! you
>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure 
>>>> this is
>>>> not supposed to happen.
>>> Yes, it's supposed to keep testing forever. That's certainly a
>>> hardware problem.
>>>
>>>> one other thing, the power supply in this PC failed, it was emitting a
>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new 
>>>> one.
>>>> it's only since then that these problems have started. could it be 
>>>> that
>>>> the motherboard is faulty?
>>> Yep, though it could be just one RAM slot so you might try moving
>>> the RAM sticks about.
>>
>> ok
>
> the RAM was running as dual channel in A2/B2 slots. I'll put it in 
> A1/B1 and run memtest again.

I swapped the memory sockets, and reinstalled windows, but it's just the 
same. do you think it's a motherboard fault? or could it be CPU related? 
could a CPU fault cause memtest to fail?

>
>>
>>>   It might also be that the CPU wasn't aligned
>>> quite right when you replaced it.
>>
>> no, i installed it very carefully.
>>
>>>
>>>>>> I've tried windows repair, and it didn't fix it.
>>>>> Did you try Safe Mode (assuming that's still around in Win10)?
>>>> no, but I will. stupid M$ has made it more difficult to get into safe
>>>> mode. it used to be that you just pressed F8 at boot.
>>> With Memtest86 failing then that means the problem isn't in Windows
>>> anyway.
>>>
>>
>> you're right. I will put the old CPU back, and reinstall windows. if 
>> the problem is still extant I'll junk this motherboard.
>>


-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71507

Fromnot@telling.you.invalid (Computer Nerd Kev)
Date2024-12-21 07:34 +1000
Message-ID<6765e2d6@news.ausics.net>
In reply to#71505
Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
> Mighty Mouse wrote:
>> Mighty Mouse wrote:
>>> Computer Nerd Kev wrote:
>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>> Computer Nerd Kev wrote:
>>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>>> so it may not have reached the memory region that's faulty.
>>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest,
>>>>> and the computer turned off after a few minutes. so in case that 
>>>>> ram was
>>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>>> memtest. it ran for 21 minutes then the computer turned off again! you
>>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure 
>>>>> this is
>>>>> not supposed to happen.
>>>> Yes, it's supposed to keep testing forever. That's certainly a
>>>> hardware problem.
>>>>
>>>>> one other thing, the power supply in this PC failed, it was emitting a
>>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new 
>>>>> one.
>>>>> it's only since then that these problems have started. could it be 
>>>>> that
>>>>> the motherboard is faulty?
>>>> Yep, though it could be just one RAM slot so you might try moving
>>>> the RAM sticks about.
>>>
>>> ok
>>
>> the RAM was running as dual channel in A2/B2 slots. I'll put it in 
>> A1/B1 and run memtest again.
> 
> I swapped the memory sockets, and reinstalled windows, but it's just the 
> same.

Reinstalling Windows was pointless, just run Memtest86 and when it
completes a pass or two you know your problem is fixed.

> do you think it's a motherboard fault? or could it be CPU related? 
> could a CPU fault cause memtest to fail?

Of course. The CPU has to talk to the RAM, so if it can't do that
right then either could be at fault (as well as the motherboard).
If you've now tried different RAM sticks and different RAM slots,
swapping back the old CPU would be the next test, and failing that
then the motherboard must be broken.

-- 
__          __
#_ < |\| |< _#

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#71509

FromMighty Mouse <"squeak!"@thecheesefactory.com>
Date2024-12-21 12:30 +1100
Message-ID<lsmk18Fgg3eU1@mid.individual.net>
In reply to#71507
Computer Nerd Kev wrote:
> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>> Mighty Mouse wrote:
>>> Mighty Mouse wrote:
>>>> Computer Nerd Kev wrote:
>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>> Computer Nerd Kev wrote:
>>>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>>>> so it may not have reached the memory region that's faulty.
>>>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest,
>>>>>> and the computer turned off after a few minutes. so in case that
>>>>>> ram was
>>>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>>>> memtest. it ran for 21 minutes then the computer turned off again! you
>>>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure
>>>>>> this is
>>>>>> not supposed to happen.
>>>>> Yes, it's supposed to keep testing forever. That's certainly a
>>>>> hardware problem.
>>>>>
>>>>>> one other thing, the power supply in this PC failed, it was emitting a
>>>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new
>>>>>> one.
>>>>>> it's only since then that these problems have started. could it be
>>>>>> that
>>>>>> the motherboard is faulty?
>>>>> Yep, though it could be just one RAM slot so you might try moving
>>>>> the RAM sticks about.
>>>> ok
>>> the RAM was running as dual channel in A2/B2 slots. I'll put it in
>>> A1/B1 and run memtest again.
>> I swapped the memory sockets, and reinstalled windows, but it's just the
>> same.
> Reinstalling Windows was pointless,

it's just that if windows installs and runs I know the problem is fixed, 
since windows not loading was the problem.

> just run Memtest86 and when it
> completes a pass or two you know your problem is fixed.

Ok

>
>> do you think it's a motherboard fault? or could it be CPU related?
>> could a CPU fault cause memtest to fail?
> Of course. The CPU has to talk to the RAM, so if it can't do that
> right then either could be at fault (as well as the motherboard).
> If you've now tried different RAM sticks and different RAM slots,
> swapping back the old CPU would be the next test, and failing that
> then the motherboard must be broken.
>

yep. that's the final test.

-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71511

Fromnot@telling.you.invalid (Computer Nerd Kev)
Date2024-12-21 14:36 +1000
Message-ID<676645e2@news.ausics.net>
In reply to#71509
Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
> Computer Nerd Kev wrote:
>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>> Mighty Mouse wrote:
>>>> Mighty Mouse wrote:
>>>>> Computer Nerd Kev wrote:
>>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>>> Computer Nerd Kev wrote:
>>>>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>>>>> so it may not have reached the memory region that's faulty.
>>>>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest,
>>>>>>> and the computer turned off after a few minutes. so in case that
>>>>>>> ram was
>>>>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>>>>> memtest. it ran for 21 minutes then the computer turned off again! you
>>>>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure
>>>>>>> this is
>>>>>>> not supposed to happen.
>>>>>> Yes, it's supposed to keep testing forever. That's certainly a
>>>>>> hardware problem.
>>>>>>
>>>>>>> one other thing, the power supply in this PC failed, it was emitting a
>>>>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new
>>>>>>> one.
>>>>>>> it's only since then that these problems have started. could it be
>>>>>>> that
>>>>>>> the motherboard is faulty?
>>>>>> Yep, though it could be just one RAM slot so you might try moving
>>>>>> the RAM sticks about.
>>>>> ok
>>>> the RAM was running as dual channel in A2/B2 slots. I'll put it in
>>>> A1/B1 and run memtest again.
>>> I swapped the memory sockets, and reinstalled windows, but it's just the
>>> same.
>> Reinstalling Windows was pointless,
> 
> it's just that if windows installs and runs I know the problem is fixed, 
> since windows not loading was the problem.

Not really, if there's still an issue in a higher memory region you
might find it crashes eg. when you load lots of tabs in a Web
browser and use up more RAM. Like Linux could crash too if you run
a memory-hungry program, even though it boots up OK because it's
using less RAM as a baseline.

-- 
__          __
#_ < |\| |< _#

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#71514

FromMighty Mouse <"squeak!"@thecheesefactory.com>
Date2024-12-21 18:18 +1100
Message-ID<lsn8eiFjfq2U1@mid.individual.net>
In reply to#71511
Computer Nerd Kev wrote:
> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>> Computer Nerd Kev wrote:
>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>> Mighty Mouse wrote:
>>>>> Mighty Mouse wrote:
>>>>>> Computer Nerd Kev wrote:
>>>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>>>> Computer Nerd Kev wrote:
>>>>>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>>>>>> so it may not have reached the memory region that's faulty.
>>>>>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest,
>>>>>>>> and the computer turned off after a few minutes. so in case that
>>>>>>>> ram was
>>>>>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>>>>>> memtest. it ran for 21 minutes then the computer turned off again! you
>>>>>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure
>>>>>>>> this is
>>>>>>>> not supposed to happen.
>>>>>>> Yes, it's supposed to keep testing forever. That's certainly a
>>>>>>> hardware problem.
>>>>>>>
>>>>>>>> one other thing, the power supply in this PC failed, it was emitting a
>>>>>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new
>>>>>>>> one.
>>>>>>>> it's only since then that these problems have started. could it be
>>>>>>>> that
>>>>>>>> the motherboard is faulty?
>>>>>>> Yep, though it could be just one RAM slot so you might try moving
>>>>>>> the RAM sticks about.
>>>>>> ok
>>>>> the RAM was running as dual channel in A2/B2 slots. I'll put it in
>>>>> A1/B1 and run memtest again.
>>>> I swapped the memory sockets, and reinstalled windows, but it's just the
>>>> same.
>>> Reinstalling Windows was pointless,
>> it's just that if windows installs and runs I know the problem is fixed,
>> since windows not loading was the problem.
> Not really, if there's still an issue in a higher memory region you
> might find it crashes eg. when you load lots of tabs in a Web
> browser and use up more RAM. Like Linux could crash too if you run
> a memory-hungry program, even though it boots up OK because it's
> using less RAM as a baseline.
>

I recall Linux did crash on this machine when it was doing a lot of updates

-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71518

FromMighty Mouse <"squeak!"@thecheesefactory.com>
Date2024-12-21 22:32 +1100
Message-ID<lsnnagFlqgdU1@mid.individual.net>
In reply to#71509
Mighty Mouse wrote:
> Computer Nerd Kev wrote:
>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>> Mighty Mouse wrote:
>>>> Mighty Mouse wrote:
>>>>> Computer Nerd Kev wrote:
>>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>>> Computer Nerd Kev wrote:
>>>>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>>>>> so it may not have reached the memory region that's faulty.
>>>>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran 
>>>>>>> memtest,
>>>>>>> and the computer turned off after a few minutes. so in case that
>>>>>>> ram was
>>>>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>>>>> memtest. it ran for 21 minutes then the computer turned off 
>>>>>>> again! you
>>>>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure
>>>>>>> this is
>>>>>>> not supposed to happen.
>>>>>> Yes, it's supposed to keep testing forever. That's certainly a
>>>>>> hardware problem.
>>>>>>
>>>>>>> one other thing, the power supply in this PC failed, it was 
>>>>>>> emitting a
>>>>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new
>>>>>>> one.
>>>>>>> it's only since then that these problems have started. could it be
>>>>>>> that
>>>>>>> the motherboard is faulty?
>>>>>> Yep, though it could be just one RAM slot so you might try moving
>>>>>> the RAM sticks about.
>>>>> ok
>>>> the RAM was running as dual channel in A2/B2 slots. I'll put it in
>>>> A1/B1 and run memtest again.
>>> I swapped the memory sockets, and reinstalled windows, but it's just 
>>> the
>>> same.
>> Reinstalling Windows was pointless,
>
> it's just that if windows installs and runs I know the problem is 
> fixed, since windows not loading was the problem.
>
>> just run Memtest86 and when it
>> completes a pass or two you know your problem is fixed.
>
> Ok
>
>>
>>> do you think it's a motherboard fault? or could it be CPU related?
>>> could a CPU fault cause memtest to fail?
>> Of course. The CPU has to talk to the RAM, so if it can't do that
>> right then either could be at fault (as well as the motherboard).
>> If you've now tried different RAM sticks and different RAM slots,
>> swapping back the old CPU would be the next test, and failing that
>> then the motherboard must be broken.
>>
>
> yep. that's the final test.
>

success at last! it was the CPU. put the old one back and it's working 
fine. many thanks for your help with this! :)

-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71520

Fromnot@telling.you.invalid (Computer Nerd Kev)
Date2024-12-22 07:55 +1000
Message-ID<67673963@news.ausics.net>
In reply to#71518
Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
> Mighty Mouse wrote:
>> Computer Nerd Kev wrote:
>>> If you've now tried different RAM sticks and different RAM slots,
>>> swapping back the old CPU would be the next test, and failing that
>>> then the motherboard must be broken.
>>
>> yep. that's the final test.
> 
> success at last! it was the CPU. put the old one back and it's working 
> fine. many thanks for your help with this! :)

That's good. It could be that there was just a poor connection on
one of the address signal contacts when you inserted the new CPU
before.

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#71540

FromMighty Mouse <"squeak!"@thecheesefactory.com>
Date2024-12-23 11:14 +1100
Message-ID<lsrob7Fb2eqU1@mid.individual.net>
In reply to#71520
Computer Nerd Kev wrote:
> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>> Mighty Mouse wrote:
>>> Computer Nerd Kev wrote:
>>>> If you've now tried different RAM sticks and different RAM slots,
>>>> swapping back the old CPU would be the next test, and failing that
>>>> then the motherboard must be broken.
>>> yep. that's the final test.
>> success at last! it was the CPU. put the old one back and it's working
>> fine. many thanks for your help with this! :)
> That's good. It could be that there was just a poor connection on
> one of the address signal contacts when you inserted the new CPU
> before.
>

  the CPU has pins that go into holes in the CPU socket, and a lever 
locks it in place. so I don't see how it would be possible to have it 
incorrectly inserted. and the heatsink exerts a lot of pressure on it.

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Have a nice day!..
stay sane, be happy, and enjoy living.

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#71571

FromComputer Nerd Kev <not@telling.you.invalid>
Date2024-12-23 16:48 +1000
Message-ID<676907cb@news.ausics.net>
In reply to#71540
Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
> Computer Nerd Kev wrote:
>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>> Mighty Mouse wrote:
>>>> Computer Nerd Kev wrote:
>>>>> If you've now tried different RAM sticks and different RAM slots,
>>>>> swapping back the old CPU would be the next test, and failing that
>>>>> then the motherboard must be broken.
>>>> yep. that's the final test.
>>> success at last! it was the CPU. put the old one back and it's working
>>> fine. many thanks for your help with this! :)
>> That's good. It could be that there was just a poor connection on
>> one of the address signal contacts when you inserted the new CPU
>> before.
> 
> ?the CPU has pins that go into holes in the CPU socket, and a lever 
> locks it in place. so I don't see how it would be possible to have it 
> incorrectly inserted. and the heatsink exerts a lot of pressure on it.

A pin could have missed the hole and been bent over flat, although
it can be pretty hard to bend it back without snapping it off if
that's the case. Or maybe some dirt/gunk just fell in the socket.

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#71545

FromMighty Mouse <"squeak!"@thecheesefactory.com>
Date2024-12-23 12:12 +1100
Message-ID<lsrrorFbh4bU2@mid.individual.net>
In reply to#71507
Computer Nerd Kev wrote:
> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>> Mighty Mouse wrote:
>>> Mighty Mouse wrote:
>>>> Computer Nerd Kev wrote:
>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>> Computer Nerd Kev wrote:
>>>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>>>> so it may not have reached the memory region that's faulty.
>>>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest,
>>>>>> and the computer turned off after a few minutes. so in case that
>>>>>> ram was
>>>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>>>> memtest. it ran for 21 minutes then the computer turned off again! you
>>>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure
>>>>>> this is
>>>>>> not supposed to happen.
>>>>> Yes, it's supposed to keep testing forever. That's certainly a
>>>>> hardware problem.
>>>>>
>>>>>> one other thing, the power supply in this PC failed, it was emitting a
>>>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new
>>>>>> one.
>>>>>> it's only since then that these problems have started. could it be
>>>>>> that
>>>>>> the motherboard is faulty?
>>>>> Yep, though it could be just one RAM slot so you might try moving
>>>>> the RAM sticks about.
>>>> ok
>>> the RAM was running as dual channel in A2/B2 slots. I'll put it in
>>> A1/B1 and run memtest again.
>> I swapped the memory sockets, and reinstalled windows, but it's just the
>> same.
> Reinstalling Windows was pointless, just run Memtest86 and when it
> completes a pass or two you know your problem is fixed.

does memtest terminate with a final screen of results, so I can have it 
running without monitoring it?

>
>> do you think it's a motherboard fault? or could it be CPU related?
>> could a CPU fault cause memtest to fail?
> Of course. The CPU has to talk to the RAM, so if it can't do that
> right then either could be at fault (as well as the motherboard).
> If you've now tried different RAM sticks and different RAM slots,
> swapping back the old CPU would be the next test, and failing that
> then the motherboard must be broken.
>


-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71572

FromComputer Nerd Kev <not@telling.you.invalid>
Date2024-12-23 16:52 +1000
Message-ID<67690898@news.ausics.net>
In reply to#71545
Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
> Computer Nerd Kev wrote:
>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>> Mighty Mouse wrote:
>>>> Mighty Mouse wrote:
>>>>> Computer Nerd Kev wrote:
>>>>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>>>>> Computer Nerd Kev wrote:
>>>>>>>> Try running Memtest86 to check the RAM didn't get damaged
>>>>>>>> accidentally. Linux probably won't be using as much RAM as Win10,
>>>>>>>> so it may not have reached the memory region that's faulty.
>>>>>>> I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest,
>>>>>>> and the computer turned off after a few minutes. so in case that
>>>>>>> ram was
>>>>>>> faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor
>>>>>>> memtest. it ran for 21 minutes then the computer turned off again! you
>>>>>>> can see here  https://auslink.info/video/memtest.mp4 . I'm sure
>>>>>>> this is
>>>>>>> not supposed to happen.
>>>>>> Yes, it's supposed to keep testing forever. That's certainly a
>>>>>> hardware problem.
>>>>>>
>>>>>>> one other thing, the power supply in this PC failed, it was emitting a
>>>>>>> 'hissing' noise and burnt smell, and I replaced it with a brand new
>>>>>>> one.
>>>>>>> it's only since then that these problems have started. could it be
>>>>>>> that
>>>>>>> the motherboard is faulty?
>>>>>> Yep, though it could be just one RAM slot so you might try moving
>>>>>> the RAM sticks about.
>>>>> ok
>>>> the RAM was running as dual channel in A2/B2 slots. I'll put it in
>>>> A1/B1 and run memtest again.
>>> I swapped the memory sockets, and reinstalled windows, but it's just the
>>> same.
>> Reinstalling Windows was pointless, just run Memtest86 and when it
>> completes a pass or two you know your problem is fixed.
> 
> does memtest terminate with a final screen of results, so I can have it 
> running without monitoring it?

It lists the results of each pass under the area showing the
current test actions and stats at the top of the screen. There's
also a count of how many tests passed/failed. It doesn't stop but
it's clear when it's finished a full test and started again.

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#71701

Fromng <ng@ng.com>
Date2024-12-29 14:33 +0000
Message-ID<vkrmk1$10v3h$1@dont-email.me>
In reply to#71545
Mighty Mouse <"squeak!"@thecheesefactory.com> wrote in
news:lsrrorFbh4bU2@mid.individual.net: 

of results, so I can
> have it running without monitoring it?
> 
>>
>>> do you think it's a motherboard fault? or could it be CPU
>>> related? could a CPU fault cause memtest to fail?
>> Of course. The CPU has to talk to the RAM, so if it can't do that
>> right then either could be at fault (as well as the motherboard).
>> If you've now tried different RAM sticks and different RAM slots,
>> swapping back the old CPU would be the next test, and failing
>> that then the motherboard must be broken.
>>
> 
> 

Known problem with AM2/3 boards + older Nvidia cards.  In those cases you must 
use Windows 10 not later than 1909 or ltsc-1809.  

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#71703

Fromng <ng@ng.com>
Date2025-01-03 03:43 +0000
Message-ID<vl7mds$3kgo0$1@dont-email.me>
In reply to#71701
ng <ng@ng.com> wrote in news:vkrmk1$10v3h$1@dont-email.me:

> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote in
> news:lsrrorFbh4bU2@mid.individual.net: 
> 
> of results, so I can
>> have it running without monitoring it?
>> 
>>>
>>>> do you think it's a motherboard fault? or could it be CPU
>>>> related? could a CPU fault cause memtest to fail?
>>> Of course. The CPU has to talk to the RAM, so if it can't do
>>> that right then either could be at fault (as well as the
>>> motherboard). If you've now tried different RAM sticks and
>>> different RAM slots, swapping back the old CPU would be the next
>>> test, and failing that then the motherboard must be broken.
>>>
>> 
>> 
> 
> Known problem with AM2/3 boards + older Nvidia cards.  In those
> cases you must use Windows 10 not later than 1909 or ltsc-1809.  
> 

For incompatible AM2 + nvidia systems, Here is the last stable version 1909:

https://os.click/en/Windows:Windows_10:1909:18363.1621:Multi-Edition:en:x64


Use this tool to prevent upgrades to later builds:

https://www.grc.com/incontrol.htm

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#71705

FromMightyMouse <"squeak!"@thecheesefactory.com>
Date2025-01-05 18:43 +1100
Message-ID<lturhfFugb1U2@mid.individual.net>
In reply to#71703
On 3/01/2025 2:43 pm, ng wrote:
> ng <ng@ng.com> wrote in news:vkrmk1$10v3h$1@dont-email.me:
>
>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote in
>> news:lsrrorFbh4bU2@mid.individual.net:
>>
>> of results, so I can
>>> have it running without monitoring it?
>>>
>>>>> do you think it's a motherboard fault? or could it be CPU
>>>>> related? could a CPU fault cause memtest to fail?
>>>> Of course. The CPU has to talk to the RAM, so if it can't do
>>>> that right then either could be at fault (as well as the
>>>> motherboard). If you've now tried different RAM sticks and
>>>> different RAM slots, swapping back the old CPU would be the next
>>>> test, and failing that then the motherboard must be broken.
>>>>
>>>
>> Known problem with AM2/3 boards + older Nvidia cards.  In those
>> cases you must use Windows 10 not later than 1909 or ltsc-1809.
>>
> For incompatible AM2 + nvidia systems, Here is the last stable version 1909:
>
> https://os.click/en/Windows:Windows_10:1909:18363.1621:Multi-Edition:en:x64
>
>
> Use this tool to prevent upgrades to later builds:
>
> https://www.grc.com/incontrol.htm


thanks. I file that in case I have any issues.

-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71704

FromMightyMouse <"squeak!"@thecheesefactory.com>
Date2025-01-05 18:43 +1100
Message-ID<lturg6Fugb1U1@mid.individual.net>
In reply to#71701
On 30/12/2024 1:33 am, ng wrote:
> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote in
> news:lsrrorFbh4bU2@mid.individual.net:
>
> of results, so I can
>> have it running without monitoring it?
>>
>>>> do you think it's a motherboard fault? or could it be CPU
>>>> related? could a CPU fault cause memtest to fail?
>>> Of course. The CPU has to talk to the RAM, so if it can't do that
>>> right then either could be at fault (as well as the motherboard).
>>> If you've now tried different RAM sticks and different RAM slots,
>>> swapping back the old CPU would be the next test, and failing
>>> that then the motherboard must be broken.
>>>
>>
> Known problem with AM2/3 boards + older Nvidia cards.  In those cases you must
> use Windows 10 not later than 1909 or ltsc-1809.
>

I just installed the the ISO from the M$ website, and it's working fine. 
don't know what version it is.

-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71480

Fromnot@telling.you.invalid (Computer Nerd Kev)
Date2024-12-10 08:05 +1000
Message-ID<675769a6@news.ausics.net>
In reply to#71477
Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
> Computer Nerd Kev wrote:
>> Since you're pretty stuffed once a hacker has root access anyway,
>> Secure Boot never seemed worth the added complexity to me, but
>> that's a matter of opinion.
> 
> what happens if they get root access?

They can read any file and install/change whatever software they
like, same as you can yourself. A non-root user on a Linux system
is more limited, although exactly how limited depends on the
permissions granted to that user (for a user running high-risk
things like Web server processes, usually very few).

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#71481

FromMighty Mouse <"squeak!"@thecheesefactory.com>
Date2024-12-10 10:23 +1100
Message-ID<lrpcg8Fobq6U1@mid.individual.net>
In reply to#71480
Computer Nerd Kev wrote:
> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>> Computer Nerd Kev wrote:
>>> Since you're pretty stuffed once a hacker has root access anyway,
>>> Secure Boot never seemed worth the added complexity to me, but
>>> that's a matter of opinion.
>> what happens if they get root access?
> They can read any file and install/change whatever software they
> like, same as you can yourself. A non-root user on a Linux system
> is more limited, although exactly how limited depends on the
> permissions granted to that user (for a user running high-risk
> things like Web server processes, usually very few).
>

thanks, that explains it. I assume reinstalling Linux fixes the problem

-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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#71486

Fromnot@telling.you.invalid (Computer Nerd Kev)
Date2024-12-11 07:28 +1000
Message-ID<6758b282@news.ausics.net>
In reply to#71481
Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
> Computer Nerd Kev wrote:
>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>> Computer Nerd Kev wrote:
>>>> Since you're pretty stuffed once a hacker has root access anyway,
>>>> Secure Boot never seemed worth the added complexity to me, but
>>>> that's a matter of opinion.
>>> what happens if they get root access?
>> They can read any file and install/change whatever software they
>> like, same as you can yourself. A non-root user on a Linux system
>> is more limited, although exactly how limited depends on the
>> permissions granted to that user (for a user running high-risk
>> things like Web server processes, usually very few).
> 
> thanks, that explains it. I assume reinstalling Linux fixes the problem

Usually, unless it's something new which installs to the UEFI
firmware like some viruses have done on Windows.

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#71488

FromKeithr0 <nothing.to.see@here.com.au>
Date2024-12-12 21:41 +1000
Message-ID<ls00eiFq8saU1@mid.individual.net>
In reply to#71486
On 11/12/2024 7:28 am, Computer Nerd Kev wrote:
> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>> Computer Nerd Kev wrote:
>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>> Computer Nerd Kev wrote:
>>>>> Since you're pretty stuffed once a hacker has root access anyway,
>>>>> Secure Boot never seemed worth the added complexity to me, but
>>>>> that's a matter of opinion.
>>>> what happens if they get root access?
>>> They can read any file and install/change whatever software they
>>> like, same as you can yourself. A non-root user on a Linux system
>>> is more limited, although exactly how limited depends on the
>>> permissions granted to that user (for a user running high-risk
>>> things like Web server processes, usually very few).
>>
>> thanks, that explains it. I assume reinstalling Linux fixes the problem
> 
> Usually, unless it's something new which installs to the UEFI
> firmware like some viruses have done on Windows.
> 
See the first message in this thread, it has already been done. There is 
nothing special about Linux that would prevent the same thing being 
done. It may be difficult to come up with something that targets all 
distros, but attacking a single distro would not be too difficult.

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