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Groups > linux.debian.user > #273026 > unrolled thread

Circumventing keyboard problem on Lenovo R64

Started byRichard Owlett <rowlett@access.net>
First post2024-09-12 13:50 +0200
Last post2024-09-13 15:00 +0200
Articles 5 on this page of 25 — 9 participants

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  Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 13:50 +0200
    Re: Circumventing keyboard problem on Lenovo R64 Hans <hans.ullrich@loop.de> - 2024-09-12 14:00 +0200
      Re: Circumventing keyboard problem on Lenovo R64 Hans <hans.ullrich@loop.de> - 2024-09-12 14:10 +0200
      Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 14:50 +0200
        Re: Circumventing keyboard problem on Lenovo R64 Hans <hans.ullrich@loop.de> - 2024-09-12 15:10 +0200
          Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 16:10 +0200
            Re: Circumventing keyboard problem on Lenovo R64 Hans <hans.ullrich@loop.de> - 2024-09-12 17:00 +0200
              Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 17:30 +0200
              KDE, switching users (was: Re: Circumventing keyboard problem on  Lenovo R64) Max Nikulin <manikulin@gmail.com> - 2024-09-12 18:40 +0200
    Re: Circumventing keyboard problem on Lenovo R64 Felix Miata <mrmazda@stanis.net> - 2024-09-12 14:20 +0200
      Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 15:50 +0200
    Re: Circumventing keyboard problem on Lenovo R64 Stefan Monnier <monnier@iro.umontreal.ca> - 2024-09-12 14:20 +0200
      Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 15:40 +0200
        Re: Circumventing keyboard problem on Lenovo R64 <tomas@tuxteam.de> - 2024-09-12 15:50 +0200
          Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 17:20 +0200
        Re: Circumventing keyboard problem on Lenovo R64 Joe <joe@jretrading.com> - 2024-09-12 16:00 +0200
          Re: Circumventing keyboard problem on Lenovo R64 Greg Wooledge <greg@wooledge.org> - 2024-09-12 16:20 +0200
            Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 16:50 +0200
          Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-12 17:00 +0200
            Re: Circumventing keyboard problem on Lenovo R64 Joe <joe@jretrading.com> - 2024-09-12 18:10 +0200
        Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-13 10:20 +0200
          Re: Circumventing keyboard problem on Lenovo R64 Hans <hans.ullrich@loop.de> - 2024-09-13 11:00 +0200
            Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-13 12:20 +0200
              Re: Circumventing keyboard problem on Lenovo R64 George at Clug <Clug@goproject.info> - 2024-09-13 14:10 +0200
                Re: Circumventing keyboard problem on Lenovo R64 Richard Owlett <rowlett@access.net> - 2024-09-13 15:00 +0200

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#273046

FromRichard Owlett <rowlett@access.net>
Date2024-09-13 10:20 +0200
Message-ID<Jm9H3-bWEw-3@gated-at.bofh.it>
In reply to#273033
On 09/12/2024 08:35 AM, Richard Owlett wrote:
> On 09/12/2024 07:13 AM, Stefan Monnier wrote:
>> i Ricard,
>>
>>> It has a keyboard failure - the "h" key is intermittent and my primary
>>> account is "Richard" ;/
>>
>> [ I presume you know tat tis kind of failure can often (sadly not
>>    always) be fixed by cleaning.  ]
> 
> I have other symptoms that hint that there's a temperature problem with 
> key decoding.

It's evidently a hard failure.
Left it off overnight and its there.
The local community college has a computer repair service as training 
aid for one of their degree programs.
Will see if they can handle.


> 
>>
>>> I have no problem logging in as root.
>>>
>>> Two primary questions:
>>> 1. is there someway that I can use a USB connected keyboard
>>>     as workaround while root?
>>
>> I can't tink of any reason wy tat wouldn't "just work".
>> ave you tried?
> 
> Now I have. It works ;}
> 
>>
>>> 2. is there some way to switch from "root" to "Richard" without
>>>     having to type to the pop-up that shows when using
>>>     System->Logout... ?
>>
>> Probably, and tat probably depends on wat you mean by "switc" and on te
>> kind of "display manager" you're using (many of tem give you a list of
>> users from wic you can select by clicking).
>> You can also (as root) cange your user's name to remove tat pesky
>> `` letter.
> 
> 
> Relevant man page to have 'root' edit a user's login name?
> 
> TIA
> 
> 
>>
>>
>>          Stefan
>>
>>
> 
> 

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#273047

FromHans <hans.ullrich@loop.de>
Date2024-09-13 11:00 +0200
Message-ID<JmajL-bWRW-11@gated-at.bofh.it>
In reply to#273046
Hi Richard,

exchanging the keyboard yourself might be not a great thing. If it is not an 
apple computer, where you have to strip the whole computer, most keyboards are 
very simple to echange. 

There are often some videos on youtube, which show, how to do it. 

On most, there are 1 - 3 screws to loosen, then (but not always), some clamps 
to press aside, and you can lift up the whole keyboard. 

On my Lenovo T520 (and I suppose most Lenovos are made like mine), you have to 
loosen 2 screws on the bottom, then push the whole keyboard into the mousepad 
direction, and then lift it up. Easy to do.

If done, you can loosen the flat cable as usual and exchage the keyboard.

It is just a hint, if you want to save money. The keyboards are all about 30 - 
50 € (about 40 $) and the exchange by a commercial should not cost much. It is 
done within 10 minutes (maybe a few dollars more)

Hope this helps!

Best

Hans

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#273048

FromRichard Owlett <rowlett@access.net>
Date2024-09-13 12:20 +0200
Message-ID<Jmbzb-bXN5-13@gated-at.bofh.it>
In reply to#273047
On 09/13/2024 03:56 AM, Hans wrote:
> Hi Richard,
> 
> exchanging the keyboard yourself might be not a great thing. If it is not an
> apple computer, where you have to strip the whole computer, most keyboards are
> very simple to echange.[snip]

ROFL
The keyboard is not the only problem.
I was an electronics tech back in the 60's and have serviced early color 
TVs (CTC2 anyone?), isotope ratio mass spectrometers, control room 
equipment for nuclear power plant, etc etc ;}
You learn things in over a half century ;}!

As I said elsewhere:
> Don't have tools nor dexterity ;/
> However the local community college has a computer repair service as
> training aid for one of their degree programs.
> Having been a tech, there's things I want done that could be valuable
> background for a new graduate.

Also they have convenient access to parts.

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#273050

FromGeorge at Clug <Clug@goproject.info>
Date2024-09-13 14:10 +0200
Message-ID<JmdhD-bYSL-17@gated-at.bofh.it>
In reply to#273048

On Friday, 13-09-2024 at 20:17 Richard Owlett wrote:
> On 09/13/2024 03:56 AM, Hans wrote:
> > Hi Richard,
> > 
> > exchanging the keyboard yourself might be not a great thing. If it is not an
> > apple computer, where you have to strip the whole computer, most keyboards are
> > very simple to echange.[snip]
> 
> ROFL
> The keyboard is not the only problem.
> I was an electronics tech back in the 60's and have serviced early color 
> TVs (CTC2 anyone?), isotope ratio mass spectrometers, control room 
> equipment for nuclear power plant, etc etc ;}
> You learn things in over a half century ;}!
> 
> As I said elsewhere:
> > Don't have tools nor dexterity ;/
> > However the local community college has a computer repair service as
> > training aid for one of their degree programs.
> > Having been a tech, there's things I want done that could be valuable
> > background for a new graduate.
> 
> Also they have convenient access to parts.

Richard, please let us know how you go with your laptop.

My son's first laptop's keyboard has a number of keys that seem worn out, making logging in problematic without an external USB keyboard.  

Tried cleaning but that did not help, cannot guarantee I did a great job, though.

Works great if we plug in a USB keyboard and mouse. Just not as convenient. 

Speaking about Keyboard issues, I have some desktops that I cannot get to bios unless I use a PS/2 keyboard (i.e. they bios does not recognise USB), so I keep a few PS/2 keyboards in the cupboard for when I want to do bios changes. (I hope this makes someone smile)

You may have already reported the answer to my question, but "does a USB keyboard allow you to log in as yourself and as root?"

Like you I once worked with Colour TVs as it was being introduced, much later than you did... 
For historical amusement, in Australia:
https://www.nfsa.gov.au/collection/curated/colour-tv-australia
The colour TV revolution hit Australia 40 years ago, on 1 March 1975

Australia was a bit slow at jumping into Colour TV technology. Hopefully we are a bit faster these days on getting into new technology.

George.



> 
> 
> 
> 
> 
> 

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#273053

FromRichard Owlett <rowlett@access.net>
Date2024-09-13 15:00 +0200
Message-ID<Jme41-bZ8r-3@gated-at.bofh.it>
In reply to#273050
On 09/13/2024 07:03 AM, George at Clug wrote:
> 
> 
> On Friday, 13-09-2024 at 20:17 Richard Owlett wrote:
>> On 09/13/2024 03:56 AM, Hans wrote:
>>> Hi Richard,
>>>
>>> exchanging the keyboard yourself might be not a great thing. If it is not an
>>> apple computer, where you have to strip the whole computer, most keyboards are
>>> very simple to echange.[snip]
>>
>> ROFL
>> The keyboard is not the only problem.
>> I was an electronics tech back in the 60's and have serviced early color
>> TVs (CTC2 anyone?), isotope ratio mass spectrometers, control room
>> equipment for nuclear power plant, etc etc ;}
>> You learn things in over a half century ;}!
>>
>> As I said elsewhere:
>>> Don't have tools nor dexterity ;/
>>> However the local community college has a computer repair service as
>>> training aid for one of their degree programs.
>>> Having been a tech, there's things I want done that could be valuable
>>> background for a new graduate.
>>
>> Also they have convenient access to parts.
> 
> Richard, please let us know how you go with your laptop.

May be a while. "Round TUIT" is MIA.

> 
> My son's first laptop's keyboard has a number of keys that seem worn out, making logging in problematic without an external USB keyboard.
> 
> Tried cleaning but that did not help, cannot guarantee I did a great job, though.
> 
> Works great if we plug in a USB keyboard and mouse. Just not as convenient.

In my case it may be more convenient. The USB is long enough to have 
better keyboard placement.

> 
> Speaking about Keyboard issues, I have some desktops that I cannot get to bios unless I use a PS/2 keyboard (i.e. they bios does not recognise USB), so I keep a few PS/2 keyboards in the cupboard for when I want to do bios changes. (I hope this makes someone smile)
> 
> You may have already reported the answer to my question, but "does a USB keyboard allow you to log in as yourself and as root?"

Yes.

> 
> Like you I once worked with Colour TVs as it was being introduced, much later than you did...
> For historical amusement, in Australia:
> https://www.nfsa.gov.au/collection/curated/colour-tv-australia
> The colour TV revolution hit Australia 40 years ago, on 1 March 1975

The CTC2 has a special place in memories. I was a young tech for RCA 
Service in mid-60's. Our shop tech quit doing in-home calls. I got most 
of his customers. One was worried about a wet-behind-ears kid working on 
his set (2nd or 3rd year production). Relaxed when he found out my set 
was older than his ;}
> 
> Australia was a bit slow at jumping into Colour TV technology. Hopefully we are a bit faster these days on getting into new technology.
> 
> George.

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