After installing a new NVIDIA 9400 GT (PCI-Express) video card and I try to play my favorite video games such as World of Warcraft and Oblivion as well as Secondlife. I will receive a windows blue screen then my whole PC will reboot itself. Any ideas?
by 
kelhawk9551
ANSWERS: 1
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Check to make sure your power supply is up to the task of powering the new card. This card requires a minimum 300 Watt Power supply. That's with nothing else in any other slots. If you've even got one more card in your machine you should have a larger power supply. I'd go with a 500 Watt PS with a minimum of 30 combined amps on the +12 volt rail(s). The other possibility is that you have your games set to a resolution not used by this video card. Check out the resolutions available in the control panel. Last, but certainly not least... if it's a new card, it could be duff. A bad card is ten times more likely to fry on 1st power up than at any other time. Hope this helps.
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