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Dell XPS 8300 not recognizing new GPU upgrade (HD 7850)

Last response: in Graphics & Displays
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November 6, 2013 7:38:47 PM

Hi guys,

So I recently bought an HD 7850 2GB to upgrade my decadent HD 4850. However, when I plug in the video card, the computer comes on, the fans for the case/cpu/gpu all come on, but I get no video output.

If I plug the old GPU (HD 4850) it works fine. The onboard graphics also work with the 4850 and with no card, but as soon as I plug in the HD 7850 then I get no video output from either the 7850 or the onboard graphics card.

The computer is a Dell XPS 8300. I have updated my motherboard BIOS, reset my CMOS. I have no option under the BIOS to ensure Legacy/UEFI loads from the PCI-E slot. My specs are listed below.


GPU | Radeon HD 7850 2GB
Memory | 8 GB DDR3, Corsair
Hard Disk | 2 TB Seagate 7200 RPM
CPU | Core i7 2600
PSU | 460 W 600 W Thermaltake TR2
Other | 2 optical drives

I contacted PowerColor (the card manufacturer) and they suggested all the things I tired. Anything else that could be the issue? Is it possible that the PSU is just not supplying enough power? I just upgraded it to a 600W supply.

Let me know if you have any suggestions.

Edit: I did delete all the drivers beforehand, installed new ones, uninstalled them again, nothing works :( 

Edit2: PSU was just replaced with a 600 W supply. Issue remains.

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November 6, 2013 7:52:59 PM

obviously its a faulty gpu...try using other output interface like VGA or hdmi....your dvi interface might be faulty..
and also don't forget about the 6-pin pcie power connector
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November 6, 2013 7:55:54 PM

potpolima said:
obviously its a faulty gpu...try using other output interface like VGA or hdmi....your dvi interface might be faulty..
and also don't forget about the 6-pin pcie power connector


I did try both HDMI and DVI. The only other option is DisplayPort but I don't have that on my monitor. Hoping it's just a bad GPU, a new one is on its way but I wanna exhaust all other options while the new one arrives. Thanks.

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June 14, 2014 10:19:49 PM

chrothenbach said:
potpolima said:
obviously its a faulty gpu...try using other output interface like VGA or hdmi....your dvi interface might be faulty..
and also don't forget about the 6-pin pcie power connector


I did try both HDMI and DVI. The only other option is DisplayPort but I don't have that on my monitor. Hoping it's just a bad GPU, a new one is on its way but I wanna exhaust all other options while the new one arrives. Thanks.



How did you go with this? Was it a faulty GPU?

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