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Serious graphical glitch

Discussion in 'Windows XP' started by CaptainWillX, Mar 26, 2008.

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  1. CaptainWillX

    CaptainWillX Thread Starter

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    Hi there - I've recently been having problems with my XP installation, and it is making the screen unreadable when the glitch occurs.

    I'll try to describe the problem in detail:

    Sometimes when the computer has been running for a while, and especially when I am running a program which switches the screen resolution (so it would seem), the screen will suddenly go blank. Not just black blank either - the colour varies from a sludgy green to a sludgy red, but I've also seen white and black variations of the problem. I've also noticed that just before the login screen appears when I boot into XP, the screen goes to the sludgy red colour for about a second before it seems to recover. The computer does not freeze or become unresponsive - I can still shut down or restart manually using keyboard hotkeys - I just can't see anything other than a single screen of colour.

    I've also been noticing other odd things. For example, when using an Internet browser the screen sometimes flickers momentarily, as if the browser window suddenly moved out of the viewable area and then back into it again.

    The computer is, as far as I can tell, free from malware of any kind. I suspect that the graphics controller hardware or drivers are causing the problem, but I'm not ruling out corrupt RAM either. I remember about a year back I used to get frequent BSODs relating to the graphics drivers, but that cleared up ages ago.

    Any ideas on this one?
     
  2. Elvandil

    Elvandil

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  3. CaptainWillX

    CaptainWillX Thread Starter

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    Yeah, I updated not that long ago - I think I have the latest driver. In case they weren't up to date I just attempted to install the latest ones again. The installer crashed half way through but I will try again.

    Display adapter is the terrible Intel GMA950.

    Ok, the installer for the drivers crashes every time, even after restart. I'm going to stress test the memory and see if there are any problems there.
     
  4. Elvandil

    Elvandil

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  5. CaptainWillX

    CaptainWillX Thread Starter

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    The memory is clean - I had a boot cd with memtest86+ and it found no problems. Hmm.
     
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