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Troubleshooting help, please.

Superjoe

[H]ard|Gawd
Joined
Feb 20, 2008
Messages
1,311
This is pretty basic stuff but I need someone to double check me.

I just put two different Gigabyte Radeon 7850 2GBs in my rig and neither would boot. Tried two different power supplies, and only a month ago I had a GTX 650ti working perfectly, which I removed and went back to integrated for a while. I RMA'd the first 7850 assuming it was DOA and now I'm sitting on the second one doubting whether it was that or something wrong with my board or what. THe system powers on, the fans on the card spin, but it never posts. And yeah, the 6 pin cable is in. This new power supply is a TX750M from Corsair, more than adequate.

It's a Gigabyte B75M-D3P and otherwise everything works fine. I can't slide the card into the second PCIe slot because it won't fit in my case. I have the F6 bios, there is an F7 but it's beta and doesn't seem to address anything relevant.

Does anybody have any additional input or ideas?

Thanks!
 
Did you disable the integrated GPU in the bios or will the computer not boot into bios?
 
I have kept it set to AUTO in the past and it switched fine with the GTX650. In this case I tried to force it to PEG but with the 7850 installed it won't even get to the BIOS.
 
Have you tried that HD 7850 in another PC to rule out the possibility of a second DOA?
 
Hmmm.. follow the stickied "Basic Troubleshooting Guide" on what to do when the PC does not POST. Report back when you've done all those steps.
 
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