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Weird colours - where to begin troubleshooting?

  • 04-06-2012 9:03pm
    #1
    Onsberg
    Registered Users, Registered Users 2 Posts: 31 ✭


    Recently my PC does what's on the picture - usually just after a cold boot (1st of the day). There is no recovery, but a hard reboot. Does anyone know where to start? Drivers? Hardware failure? Overheating?


Comments

  • #2
    deconduo
    Moderators, Computer Games Moderators Posts: 4,282 Mod ✭✭✭✭deconduo


    Onsberg wrote: »
    Recently my PC does what's on the picture - usually just after a cold boot (1st of the day). There is no recovery, but a hard reboot. Does anyone know where to start? Drivers? Hardware failure? Overheating?

    Almost certainly a GPU problem. Are you having any other problems apart from that, such as coloured dots or lines, screen tearing, flickering etc.


  • #3
    riclad
    Registered Users, Registered Users 2 Posts: 8,184 ✭✭✭riclad


    TRY reboot,hold f8,go to safe mode, vga mode,
    this bypasses graphics driver, uses generic windows video driver.
    see if colors are normal in this mode.


  • #4
    uncle_sam_ie
    Registered Users, Registered Users 2 Posts: 3,191 ✭✭✭uncle_sam_ie


    Yeah, your it's your GPU. Which one is it?


  • #5
    riclad
    Registered Users, Registered Users 2 Posts: 8,184 ✭✭✭riclad


    if you turn on pc,after 1minute ,get weird distorted,colors,like pic above,
    its not overheating.Either pc or graphics card is faulty.
    Has the pc got onboard motherboard graphics vga out,that you could try.
    How old is pc,?


  • #6
    SeanW
    Registered Users, Registered Users 2 Posts: 9,160 ✭✭✭SeanW


    Likely to be GPU but could also be RAM. Many years ago (my first PC build, back in the days of Socket 939) I had one stick of ram that kinda dodgy. Caused issues not dissimilar to this. If you're confident with computer hardware, and nothing else works, you could try running it in Single Channel RAM mode with alternating ram sticks. (Assuming you have a pair in there now).


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  • #7
    the_syco
    Registered Users, Registered Users 2 Posts: 37,316 ✭✭✭✭the_syco


    Turn on PC, go into BIOS (usually by pressing F8 when the PC is starting up). If it's the same in the BIOS, it's the graphics card.

    If it's fine in the BIOS, it means the graphics drivers of Windows are fecked, and you'll need to fix it from Windows safe mode.


  • #8
    Onsberg
    Registered Users, Registered Users 2 Posts: 31 ✭Onsberg


    That is the only symptom I've experienced. Only 4-5 times over the last month. At first it happened while playing D3 a couple of times and once during T:A. Then it happened another couple of times while on the desktop just after a cold boot.

    Seems my gfx driver is not the latest version. Will update driver and see if the problem continues.

    Thanks for the help.


  • #9
    riclad
    Registered Users, Registered Users 2 Posts: 8,184 ✭✭✭riclad


    some laptops,use delete or f2 to acess the bios.it varys for different models,it,ll say on bootup screen, press x key to acess bios.


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