Why does my PC hang up causing me restart several times daily?

Why does my PC hang up causing me to restart constantly. Problems identified are with the video card. Here is my system info:
CPU is Q9550 2.83GHZ
RAM: 4 GB DDR3
OS: Vista Ultimate, 64 bit
Mouse: Logitech optical trackman
MB: DDR3
Video: GTS 250 512mb DDR3
RAID 0
Power Supply: 800 watts
Monitors: Two of HP w2207h 22" VGA
3 answers Last reply
More about hang causing restart times daily
  1. Does this hang ups happen in 2D mode or in games/3D apps ?
    Also have you updated your VGA drivers ?
  2. Maziar said:
    Does this hang ups happen in 2D mode or in games/3D apps ?
    Also have you updated your VGA drivers ?



    All drivers are up to date. I do not game, I run some heavy duty stock streaming programs.
  3. need a full list of components and a more detailed problem description-- background info

    what motherboard--
    what raid drivers
    (intel matrix 8.9 is esp. buggy and bad)
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