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Why wont my computer start?

Last response: in Graphics & Displays
June 20, 2011 4:09:31 PM

Hey guys,

I recently bought an xfx radeon hd 6850, after installing it i turned the pc on and all i saw on my monitor was 'Digital power saving mode'. When i start the computer all the fans turn on but i hear no start up bleeps or anything, even the mouse and keyboard wont turn on!
I left it running for a bit and after about 20 mins i hear the computer starting up but still the monitor wont turn on, so i switch to my on board vga and the screen turns on.



:XFX pro 650W psu
:AMD athlon II x4 630 2.80 ghz (oc'd to 3.10)
:ASROCK k10n78fullhd-hsli
:Seagate barracuda 7200 rpm 500GB HDD

Also when looking in device manager the card does not show up.


More about : wont computer start

a c 1411 U Graphics card
June 20, 2011 4:39:03 PM

Did you connect the external power from the PSU to the card?
June 20, 2011 4:43:19 PM

Yes everything is in place, the card takes one 6 pin pci-e input.
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a c 1411 U Graphics card
June 20, 2011 4:46:19 PM

Is there a setting in BIOS to select primary Video (usually unnecessary on modern boards)? Possibly a bad card.
June 20, 2011 4:48:25 PM

Yeah ive set my primary to pci-e, and thats what i was thinking.