Gpu prevents my computer from booting

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Qkeko

Honorable
Jan 2, 2014
2
0
10,510
I Just finished building my pc this morning (this is the first pc i have ever built) and everything is hooked up and working except when i plug the graphics card in (Saphire Radeon HD 7790 2gb OC) The computer won't start. I have a 550w power supply which i'm sure should be enough to power this card. The only thing that i can think of that would prevent it from booting is the heat (it's currently 40 degrees celsius) I made sure the power was properly connected to the card, there was a cable that split off into 2 6 pin PCI cables i tried both of them but it didn't make a difference. I also had a molex to 6 pin connector which i used and still didn't work (so i'm sure its not the wiring) Whenever i try to start up the computer with the card in it, it starts spinning up all the fans (including gpu fan) then it does a POST beep, and then about 6 seconds later it makes a second beep then just sits there with the fans going. I'm not sure how to update my bios or drivers since i'm on linux and i'm not really sure what i should do, any input would be greatly appreciated.

Specs:
AMD FX-4130 4 Core 3.8ghz CPU
ASUS M5A78L-M LX V2 Motherboard
Sapphire Radeon HD7790 2GB OC
Corsair VS550 ATX Power Supply
Seagate Barracuda 1TB ST1000DM003
Corsair CMV4GX3M2A1333C9 4GB (2x2GB) DDR3
CoolerMaster K380 Case with Window
 
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nss000

Distinguished
Apr 18, 2008
673
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19,010
Your failure is not exceptional . AS I have experienced a failure mode like yours could be:

1) Mobo BIOS does not support vidcard
2) OS does not support vidcard
3) Graphics drivers do not support vidcard

My suggestion is to install a more primitive vidcard and demonstrate graphics function. Try a card 2-3 generations old and use native Linux vid.drivers.



 
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Ijack

Ijack

Splendid
Jul 30, 2008
7,099
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28,010
Forget OS and/or driver problems. You are not getting that far. As for BIOS not supporting the card - again unlikely to impossible; the card should certainly be supported as a VGA one at the very least. Heat wouldn't prevent a computer from booting at least to the BIOS; the fact that it's giving beep codes indicates a hardware error (though 1 beep followed by another one is not listed as a code for that m/b). I wouldn't upgrade the BIOS at this point since I very much doubt that's the problem.

Presuming that you are not overclocking at all this is either an issue with the graphics card or the PSU IMO. That's not a bad PSU and there's no reason why it shouldn't be up to the job, so I'd guess a bad graphics card (it happens). Have a word with your supplier's support people and if they agree you can RMA the card.
 
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Q

Qkeko

Honorable
Jan 2, 2014
2
0
10,510
Thanks for all your help guys but it turns out i was an idiot :S I was plugging my monitor into the mobo not the gpu so there was no signal, which is why i thought it wasn't booting. Sorry for wasting your time but thanks anyways! :D
 
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