Problems with GeForce 6800 GT

By Ulle
Mar 2, 2006
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  1. Hello!

    I have two really annoying problems with my 6800 GT graphics card.

    The first is that every time i boot my PC the graphics card wont start. The screen is black and I have to restart my computer a few times before it starts. I notice it starts because of the pretty loud fan.

    The other problem is that in almost all games textures are very shimmering and shades look very bad. And even though I set the detail levels at minimum the game will still run very slowly.

    I have the latest directx drivers and the latest Forceware drivers.

    Any help is appreciated! Thank you.
  2. SOcRatEs

    SOcRatEs TechSpot Paladin Posts: 1,382

    Hello! Welcome to TechSpot!

    Can you tell us a little more about the system you have the 6800 in?
    What power supply do you have?
    Was this a new upgrade/install from another card?
  3. Ulle

    Ulle Newcomer, in training Topic Starter Posts: 17

    I have the card in:
    775Dual-915GL
    Intel Celeron 2.80GHz
    1024 MB RAM

    Power supply: 300W

    It is not an upgrade (it is actually but as i changed card i formatted and reinstalled windows)

    Best regards, Ulle
  4. SOcRatEs

    SOcRatEs TechSpot Paladin Posts: 1,382

    I'm thinking it's the Psu, a little under powered.
    Try this LINK
    To calculate how much you need, you may be surprized.
  5. Ulle

    Ulle Newcomer, in training Topic Starter Posts: 17

    I did a calculation and ended up around 240W. You still think it's that? Can't it just be broken, or wouldn't it work at all then?

    Also, let's say it doesn't get sufficient power, would it still work then but not as good, or wouldn't it work at all?

    Thank you
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