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Re: Normal for macOS to reset my display setups after disconnecting and reconnecting the same external HD 1080 monitor (HDMI)?

Cross-posted to 3 groups.

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On 2021-02-06 05:37:19 +0000, Percival John Hackworth said:

> On 05-Feb-2021 at 5:45:33PM PST, "Ant" <Ant> wrote:
> 
>> Hello.
>> 
>> Is it me or normal for macOS to reset my display setups after
>> disconnecting and reconnecting the same external HD 1080 monitor (HDMI)?
>> It resets to default Retina default tiny GUI and texts from scaled
>> 1280x800 resolution (want bigger GUI and texts due to old eyes) set in
>> macOS' accessiblity. Is there no way to have macOS remember these since
>> it's annoying to retelling it? This is with an over month old 2020 13"
>> MBP (Intel i7).
>> 
>> Thank you for reading and hopefully answering.
> 
> I constantly connected my older MacBook Pro to a Samsung 27" monitor with
> HDMI. It would recognize the resolution of the external monitor automatically.
> I used both monitors side by side.
> 
> My boss had an Apple 27" monitor with much higher resolution and his 13"
> MacBook connected up to it and recognized it with no problem.
> 
> I'm wondering who makes your monitor and what happens when you connect it to
> your system.  Do you see both on the Displays System Preference? What version
> of Mac OS is this?  Something that new is probably 10.15 or 11.x.
> 
> Here in SF/Bay, the Apple Stores aren't open, so getting a Genius Bar
> appointment to have someone look at it isn't possible.  Also schlepping the
> display and laptop would be a pain even if things where open.  Have you called
> the Apple Support line?
> 
> I have no idea if rebooting and resetting PROM is still applicable since my
> stuff is much older.

Resetting the PRAM / NVRAM might help (will require resetting some 
System Preferences though):
   - shutdown the Mac
   - hold down Command, Opt, P and R keys when booting
   - wait for two startup chimes, then release the keys

but there do seem to be a lot of people suffering from various external 
display issues with macOS 11 Big Sur.

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Thread

Normal for macOS to reset my display setups after disconnecting and reconnecting the same external HD 1080 monitor (HDMI)? ant@zimage.comANT (Ant) - 2021-02-05 19:45 -0600
  Re: Normal for macOS to reset my display setups after disconnecting and reconnecting the same external HD 1080 monitor (HDMI)? Percival John Hackworth <pjh@nanoworks.com> - 2021-02-06 05:37 +0000
    Re: Normal for macOS to reset my display setups after disconnecting and reconnecting the same external HD 1080 monitor (HDMI)? Your Name <YourName@YourISP.com> - 2021-02-06 19:31 +1300
    Re: Normal for macOS to reset my display setups after disconnecting and reconnecting the same external HD 1080 monitor (HDMI)? Lewis <g.kreme@kreme.dont-email.me> - 2021-02-06 09:04 +0000
      Re: Normal for macOS to reset my display setups after disconnecting and reconnecting the same external HD 1080 monitor (HDMI)? ant@zimage.comANT (Ant) - 2021-02-06 16:06 -0600
        Re: Normal for macOS to reset my display setups after disconnecting and reconnecting the same external HD 1080 monitor (HDMI)? Lewis <g.kreme@kreme.dont-email.me> - 2021-02-07 01:15 +0000
    Re: Normal for macOS to reset my display setups after disconnecting and reconnecting the same external HD 1080 monitor (HDMI)? ant@zimage.comANT (Ant) - 2021-02-06 16:05 -0600

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