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Computer shuts down almost immediately after its turned on - Faulty Video Card?

By Dom123
Jun 14, 2008
  1. Hello,

    I recently purchased a second 8800 gts 640mb video card to work in sli with my current one. When i connect the card in sli or by itself in the same slot my older card was in and turn on the power then computer will switch on for about a second then switch back off again. If the press the button again the computer wont even switch on at all until i take the card out.I cant understand what is causing this unless the card is faulty. I have a 700 watt power supply which should be sufficient for both cards and more than enough for the newer card by itself so i dont think the power supply is the problem. Any help will be greatly appreciated.
     
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,246   +235

    Have you connected the additional power supply connector to both cards. If the new card won't run by itself, the card is bad... Simple
     
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