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Flakey Video Output

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From Physfitfreak <Physfitfreak@gmail.com>
Newsgroups comp.os.linux.advocacy, comp.bugs.misc
Subject Flakey Video Output
Date Thu, 28 Sep 2023 19:20:49 -0500
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Cross-posted to 2 groups.

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When I turn one of my computers on, the video output is sometimes not 
there, and sometimes is. Computer always boots up normally, making the 
introductory sound of windows coming up, etc. But it is exactly like 
there's no monitor attached. It's not the cable or monitor. That much 
I've tested.

And on some other occasions the screen appears normally when I turn the 
computer on, and if I keep turning the computer off and then on screen 
always appears. On occasions that it won't come up, no matter how many 
times I turn the computer off and on, screen won't come up.

What could it be? Bios? Graphics card? The round 3 volt button battery? 
The electronics on MB itself? Anything like that anybody here 
experienced? This is the first for me. It can't be virus cause that 
computer is hermetically isolated from internet.

I tested the battery, it is still at least 3 volts. Should it be 5 volts?

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Thread

Flakey Video Output Physfitfreak <Physfitfreak@gmail.com> - 2023-09-28 19:20 -0500
  Your motherboard is shot. "Relf"  <Usenet@Jeff-Relf.Me> - 2023-09-28 17:34 -0700
    Re: Your motherboard is shot. Physfitfreak <Physfitfreak@gmail.com> - 2023-09-28 23:58 -0500
      Re: Your motherboard is shot. candycanearter07 <no@thanks.net> - 2023-09-29 00:29 -0500
      Re: Your motherboard is shot. chrisv <chrisv@nospam.invalid> - 2023-09-29 06:45 -0500
        Re: Your motherboard is shot. Physfitfreak <Physfitfreak@gmail.com> - 2023-09-29 20:31 -0500
      Pull out your AK-47, aim for the center of the board & fire. "Relf"  <Usenet@Jeff-Relf.Me> - 2023-09-29 06:26 -0700
        Re: Pull out your AK-47, aim for the center of the board & fire. Physfitfreak <Physfitfreak@gmail.com> - 2023-09-29 20:36 -0500
  Re: Flakey Video Output Rockinghorse Winner <Rockinghorse@amgen.com> - 2023-09-30 03:45 +0000
    Re: Flakey Video Output Physfitfreak <Physfitfreak@gmail.com> - 2023-09-29 23:29 -0500
      Re: Flakey Video Output Physfitfreak <Physfitfreak@gmail.com> - 2023-09-30 13:06 -0500
        Re: Flakey Video Output RabidPedagog <rabid@pedag.og> - 2023-09-30 14:10 -0400
          Re: Flakey Video Output Physfitfreak <Physfitfreak@gmail.com> - 2023-09-30 14:26 -0500

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