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Re: MacBook double problem

From Alan B <alanrichardbarker@gmail.com.invalid>
Newsgroups uk.comp.sys.mac
Subject Re: MacBook double problem
Date 2025-09-20 19:53 +0000
Organization Grumpy Old Men
Message-ID <10an0od$lmf0$1@solani.org> (permalink)
References <1ri3pm3.e9qkqnnfdq68N%liz@poppyrecords.invalid.invalid> <10ajf2b$fcek$1@notronniebarker.dont-email.me> <SJzRzkPPVJFTndmlWOPBzCmNzWHCOguu@news.usenet.farm> <10alm9l$vvrk$1@notronniebarker.dont-email.me> <10an0he$1as02$1@dont-email.me>

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On 20 Sep 2025 at 20:50:06 BST, "Mark" <captain.black@gmail.com> wrote:

> On 20 Sep 2025 at 8:49:10 AM GMT+1, "Alan B"
> <alanrichardbarker@gmail.com.invalid> wrote:
> 
>> On 19 Sep 2025 at 21:54:07 BST, "Mark" <captain.black@gmail.com> wrote:
>> 
>>> On 19 Sep 2025 at 12:33:31 PM GMT+1, "Alan B"
>>> <alanrichardbarker@gmail.com.invalid> wrote:
>>> 
>>>> Mark <captain.black@gmail.com> wrote:
>>>>> Alan B <alanrichardbarker@gmail.com.invalid> wrote:
>>>>>> On 2025-09-18, Mark <captain.black@gmail.com> wrote:
>>>>>>> On 18 Sep 2025 at 9:57:13 PM GMT+1, "Liz Tuddenham" <Liz Tuddenham> wrote:
>>>>>>> 
>>>>>>>> Liz Tuddenham <liz@poppyrecords.invalid.invalid> wrote:
>>>>>>>> 
>>>>>>>>> I have a MacBook which I haven't used for about a year.  The battery was
>>>>>>>>> swelling up so I took it out - I presumed the laptop would run directly
>>>>>>>>> from the power supply if I needed to use it.
>>>>>>>>> 
>>>>>>>>> Today I have tried to start it on the power supply but it showns no sign
>>>>>>>>> of life, even after leaving it on for several hours.
>>>>>>>>> 
>>>>>>>>> The reason I need to start it is that I am giving a talk in a couple of
>>>>>>>>> weeks and have realised that the apparatus I am demonstrating is a bit
>>>>>>>>> small to be easily seen by the audience.  Someone suggested that the
>>>>>>>>> camera in the MacBook might be trained on the apparatus and a projector,
>>>>>>>>> which is already in the hall, could be connected so as to display a
>>>>>>>>> large picture.
>>>>>>>> 
>>>>>>>> I'm pleased to say the talk went well, picture at:
>>>>>>>> <https://chippenhamradio.club>
>>>>>>>> 
>>>>>>>> I realised that I needed light on the demonstration equipment, so I
>>>>>>>> brought along a stage lighting bar which you can just see at the top of
>>>>>>>> the picture (right of centre).  By directing the light only where it was
>>>>>>>> needed and using a small screen for the presentation, I got sufficient
>>>>>>>> contrast and brightness on the screen.
>>>>>>>> 
>>>>>>>> We arranged the chairs in two concentric horseshoes but several more
>>>>>>>> people turned up unexpectedly at the last minute, so we had to put in a
>>>>>>>> third row.  I'm not sure if they were able to see all the detail but
>>>>>>>> nobody complained.
>>>>>>>> 
>>>>>>>> 
>>>>>>>> Many Thanks to everyone on this group who tried to help with the camera
>>>>>>>> problem - I don't think it could have worked without a lot more
>>>>>>>> equipment and wiring.
>>>>>>> 
>>>>>>> Well, that was a surprise... I've always thought you were in Australia! And no
>>>>>>> - I don't even remember what led me to think that!
>>>>>> 
>>>>>> I thought you were a Mysteron ;) Anyway pleased to hear Liz's presentation
>>>>>> went well. Sadly I haven't dabbled in Ham Radio for many years now.
>>>>>> 
>>>>> 
>>>>> Sorry - that probably came across as quite random! Not a ham radio user,
>>>>> but I used to spend hours scrolling through SW bands listening to weird
>>>>> stuff. Great fun!
>>>> 
>>>> Nowadays I often use WebSDR for sw listening.
>>>> 
>>>> <http://websdr.org>
>>>> 
>>>> The Twente site gives reasonable coverage of the sw spectrum.
>>> 
>>> Muat admit, I've been looking at SW receivers lately... I used to have a Sony
>>> ICF-SW55. That was an amazing piece of kit & I do miss it. Bought it in the
>>> early 90s & used it when i was in Moscow for a few years. There was very
>>> little else in terms of english language audio/visual entertainment back then,
>>> apart from CNN. I'd cruise the airwaves and keep a little notebook of
>>> where/when different countries broadcast their english language programs.
>> 
>> You could always get a SDR box to plug into your Mac. I bought one of these
>> but
>> of course you need a decent antenna system, so the wedsdr solution may be
>> better.
>> 
>> <https://www.sdrplay.com/rsp1b/>
> 
> Thought I'd replied to this already but I don't see it...
> 
> There's just something about twiddling an actual know though... ;) Saw this
> tonight <https://shortwave.live> Would have been very useful back in the day!

I can see it - don't know why you can't.

Very useful link which I've bookmarked - thanks.

-- 
Cheers, Alan

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Thread

MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-03 20:24 +0100
  Re: MacBook double problem Graham J <nobody@nowhere.co.uk> - 2025-09-03 20:35 +0100
    Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-03 21:05 +0100
      Re: MacBook double problem "David B." <BD@hotmail.co.uk> - 2025-09-03 21:38 +0100
      Re: MacBook double problem Graham J <nobody@nowhere.co.uk> - 2025-09-03 22:52 +0100
        Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-04 08:12 +0100
          Re: MacBook double problem Graham J <nobody@nowhere.co.uk> - 2025-09-04 08:22 +0100
            Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-04 08:43 +0100
              Re: MacBook double problem David Sankey <David.Sankey@stfc.ac.uk> - 2025-09-04 09:33 +0100
              Re: MacBook double problem Graham J <nobody@nowhere.co.uk> - 2025-09-04 09:39 +0100
                Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-04 16:08 +0100
                Re: MacBook double problem Graham J <nobody@nowhere.co.uk> - 2025-09-04 16:55 +0100
          Re: MacBook double problem Chris <ithinkiam@gmail.com> - 2025-09-05 08:05 +0000
            Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-05 11:08 +0100
              Re: MacBook double problem David Sankey <David.Sankey@stfc.ac.uk> - 2025-09-05 16:48 +0100
                Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-05 19:18 +0100
                Re: MacBook double problem Chris <ithinkiam@gmail.com> - 2025-09-06 08:11 +0000
                Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-06 09:19 +0100
                Re: MacBook double problem David Sankey <David.Sankey@stfc.ac.uk> - 2025-09-06 14:16 +0100
                Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-08 15:06 +0100
                Re: MacBook double problem - followup liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-10 08:45 +0100
                Re: MacBook double problem - followup Graham J <nobody@nowhere.co.uk> - 2025-09-10 10:26 +0100
                Re: MacBook double problem - followup liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-10 11:20 +0100
                Re: MacBook double problem - followup David Sankey <David.Sankey@stfc.ac.uk> - 2025-09-11 16:07 +0100
                Re: MacBook double problem Chris <ithinkiam@gmail.com> - 2025-09-06 18:30 +0000
              Re: MacBook double problem Graeme Wall <rail@greywall.demon.co.uk> - 2025-09-06 08:17 +0100
                Re: MacBook double problem Alan B <alanrichardbarker@gmail.com.invalid> - 2025-09-06 07:27 +0000
                Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-06 09:19 +0100
                Re: MacBook double problem Phil Taylor <nothere@ail.invalid> - 2025-09-06 10:24 +0000
  Re: MacBook double problem "David B." <BD@hotmail.co.uk> - 2025-09-03 20:42 +0100
  Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-18 21:57 +0100
    Re: MacBook double problem "David B." <BD@hotmail.co.uk> - 2025-09-18 22:36 +0100
    Re: MacBook double problem Mark <captain.black@gmail.com> - 2025-09-18 21:54 +0000
      Re: MacBook double problem Alan B <alanrichardbarker@gmail.com.invalid> - 2025-09-19 06:45 +0000
        Re: MacBook double problem Mark <captain.black@gmail.com> - 2025-09-19 10:42 +0000
          Re: MacBook double problem Alan B <alanrichardbarker@gmail.com.invalid> - 2025-09-19 11:33 +0000
            Re: MacBook double problem Mark <captain.black@gmail.com> - 2025-09-19 20:54 +0000
              Re: MacBook double problem Alan B <alanrichardbarker@gmail.com.invalid> - 2025-09-20 07:49 +0000
                Re: MacBook double problem Mark <captain.black@gmail.com> - 2025-09-20 19:38 +0000
                Re: MacBook double problem Mark <captain.black@gmail.com> - 2025-09-20 19:50 +0000
                Re: MacBook double problem Alan B <alanrichardbarker@gmail.com.invalid> - 2025-09-20 19:53 +0000
      Re: MacBook double problem liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2025-09-19 12:22 +0100
        Re: MacBook double problem Mark <captain.black@gmail.com> - 2025-09-19 11:31 +0000

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