Installed New Power Supply, Graphics Card Won't Work

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spectacularviews

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Jan 9, 2011
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I had recently installed a new power supply (850 W) because my old one was starting to make whining noises that made me think it was dying. After installing it and plugging everything in I turned the computer on and everything was working aside from the graphics card. The processor fan was running, the main fan was running, but the graphics card fans were not going at all...

I swapped out the card with another (actually better) card and it worked (only problem being I don't have a proper adapter for the card to use my current monitor with.)

Is there any reason something like this'd happen? The card is PCI-E and I tried all 4 PCI-E cables for it and none of them powered it up...
 

Tanis

Shane
Joined
May 29, 2006
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3,969
My initial thought would be a problem with the card itself as you said you put another one in and it worked. However, I assume (from later in your post) that the other card 'working' was assumed because the fans started on it and they don't on your original card?

Do you get any output from the original card to the monitor, you only mention about the fan not working?
 

Tanis

Shane
Joined
May 29, 2006
Messages
3,969
OK, I am still leaning toward a possibly broken card, the fact that the fan start on the other one you tested shows there is some power going to it, so if there is no fan on the old card then I would suspect the card itself to be the problem.

Is there any way you can get hold of an adaptor to test the card with the working fan? They aren't expensive and if it fixes it (by putting the newer card in) then the problem has been solved, and you have upgraded all for a fraction of the cost of a new card.

Or, does your machine have an 'onboard' graphics card you can test teh output on to make sure the sytem is actually booting up?
 
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