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video card won't run

Junior Member
Join Date: Jun 2012
Posts: 1
      06-10-2012, 09:49 PM
a couple weeks ago i got a brand hammer new ATI radeon HD 3870 graphics card unwrapped, in the box, with all the accessories for $50, which i thought was a good deal.
back on may 4 i bought a tower with an asrock 775xfire-eSATA2 motherboard. i was expecting the card to run in the x16 slot on the board with no problem. because the power supply didn't have a 6 pin lead i bought a 2x molex to 6 pin jumper. the tower won't power up with all the stuff installed. i take the stuff out and install an nvidia 8500gt card and the machine runs great. what is my problem?
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Junior Member
Join Date: Jun 2012
Posts: 15
      08-13-2012, 04:40 PM
The ATI card and the nVidia card have very different power requirements:
ATI needs 450W
nVidia requires 350W
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