random black screening, pls help

Discussion in 'OT Technology' started by dom, Jan 22, 2008.

  1. dom

    dom New Member

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    Hey guys:
    Built my computer a few days ago, my specs:
    Q6600 with zalman 9500led cooler
    xfx 680i lt mobo
    Gainward 8800gt bliss pcx
    ocz reaper 800mhz 2gigs ram
    Corsair 620 PSU
    antec 900 case
    and a temporary 17inch dell lcd monitor.
    (no parts overclocked)
    So everything runs fine, game performance is great, rly happy with it all.
    However every couple of hours out of nowhere the screen will suddenly turn black without warning and stay that way, the computer continues to run (all fans, lights etc) and the only way to get the screen back is to reset the computer.
    The strange this is that these occurances dont follow any unique pattern, once it happened during crysis demo, then during portals, other times it happens just while i leave windows running with no other programs and just now browsing the internet.
    I've updated my nvidia graphics and mobo drivers to the newest avaliable but i just got another black screen then so it doesnt seem to have solved it.
    Anyone have any ideas what this is?
    Is it a faulty graphics card? i find it hard to believe cause as i've said, games and that run very well without a hitch.
    if anyone has any ideas, pls let us know, would be much appreciated.
    Regards.
     
  2. Chris

    Chris New Member

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    how are your temps?
     
  3. dom

    dom New Member

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    ye dont think temps an issue, i check reguarly on idle and after the crashes and they float consistantly around 60 celcius. That is, for gpu.
    Cpu has the aftermarket fan and a 200mm fan right above it so its cool as a cat.
     
  4. GooeyGus

    GooeyGus I has Laz0rz.

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    If its 60c at idle, the GPU is probably getting pretty hot during game-play. I would alt+tab out and check the temps while you're playing a game and see how they look. If it gets over 70, crank the fan up.
     
  5. Doomsday

    Doomsday XXX

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    if the system is not crashing when the display goes out,... it's most likely:
    1) problem with display drivers (corrupted, conflicts, etc.)
    2) faulty monitor
    3) faulty vid card
    4) faulty dvi/vga cable

    try a different monitor or vid card.

    you could also check if the vid card install is loose. try wiggling the card while the pc is on and see what happens.

    and yes, 8800GTs do have overheating issues and is my prime suspect too.
     
  6. dom

    dom New Member

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    alrighty will have a play around with all that,

    ppreciate the replies guys.
     
  7. trouphaz

    trouphaz New Member

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    by the way, do you have any way of confirming that that system hasn't crashed when the screen goes blank? do you still hear audio or are you able to do anything with the monitor off? it is kind of hard to tell if you can do anything without the screen being up.
     
  8. cmsurfer

    cmsurfer ºllllllº

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    Make sure the caps lock key works next time the screen goes blank.
     
  9. dom

    dom New Member

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    ye well for instance when it crashed during crysis the background audio continues to run fine, but then when i click the mouse button as if to shoot a gun there is no sound, so its not just the monitor.

    Was playing some game last night where it started to freeze up but instead of going black it went back to windows after say 20 seconds with a little box appearing in the bottom right saying windows has recovered from a 'near crash' (something like that) caused due to nvidia drivers, directly specifying the file: nvlddmkm.sy_ i think it was.

    Its strange because i was getting these freezes before on the older nvidia drivers that came with the graphics card, installed the newest ones (169.35) off the website and this still happens.
     
  10. Doomsday

    Doomsday XXX

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    the system crashing makes it more complicated.
    make sure old nvidia drivers were uninstalled before installing the new ones
    you could dowload and use driver cleaner

    check ram too by using memtest86

    if no problems found,... throw your mobo and get a P35 chipset
    the 680i is so shitty, it isn't worth troubleshooting
     
  11. dom

    dom New Member

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    right so i just uninstalled the nvidia drivers through control panel,
    used driver cleaner pro to get rid of any remains, now i've redownloaded driver 169.25, when i got to install it it says that its detected that i'm not using windows vista 32bit and has to be terminated.

    what gives? i'm defo using 32bit windows vista, and i've installed these drivers previously without problems.
    so lost.
     
  12. GooeyGus

    GooeyGus I has Laz0rz.

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    Did you check temps yet?

    I've had mine crash from vid card overheating.
     

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