Question Radeon hd7870 won't get recognised

Feb 15, 2019
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My pc was working fine until yesterday. I disassembled my pc to clean it and after putting everything back together my GPU won't get recognised even tho it gets power (fans spinning). I have tried an older GPU I had and it's the same (fans spinning)(this one doesn't use PCI-e 6pins so it's gets power from the mobo). I have reseted CMOS. I have checked every cable connection twice. The only thing I can think of is maybe the PCI e slot on my mobo is faulty but the other GPU I tried was getting power (didn't get recognised tho) or my PSU is. Please help. My specs are:
Mobo : H61-M
CPU : Intl i3-2120
GPU : Sapphire Radeon HD7870 GHz edition
Ram : 2x ddr3 4gbs 1330 ghz
PSU : 550W
2nd GPU I tried : Radeon hd6570

Edit: my pc works fine with integrated graphics
 
Last edited:

Satan-IR

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Apr 18, 2014
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My pc was working fine until yesterday. I disassembled my pc to clean it and after putting everything back together my GPU won't get recognised even tho it gets power (fans spinning). I have tried an older GPU I had and it's the same (fans spinning)(this one doesn't use PCI-e 6pins so it's gets power from the mobo). I have reseted CMOS. I have checked every cable connection twice. The only thing I can think of is maybe the PCI e slot on my mobo is faulty but the other GPU I tried was getting power (didn't get recognised tho) or my PSU is. Please help. My specs are:
Mobo : H61-M
CPU : Intl i3-2120
GPU : Sapphire Radeon HD7870 GHz edition
Ram : 2x ddr3 4gbs 1330 ghz
PSU : 550W
2nd GPU I tried : Radeon hd6570

Edit: my pc works fine with integrated graphics
Considering it happened after cleaning and that PC works without the cards maybe there's some dust in the pcie slot that needs a blower to get out. I don't think that board has a second pcie slot.
 
Feb 15, 2019
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Considering it happened after cleaning and that PC works without the cards maybe there's some dust in the pcie slot that needs a blower to get out. I don't think that board has a second pcie slot.
I've thought about that I have tried cleaning it even used compressed air and it still doesn't work
No it has only one unfortunately
 

Satan-IR

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Apr 18, 2014
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I've thought about that I have tried cleaning it even used compressed air and it still doesn't work
No it has only one unfortunately
If that doesn't work since you tried 2 graphics cards and none worked the culprit maybe the slot.

If you can try the 2 cards on a different working motherboard and they work that'd make the slot being faulty even more probable since as you said the motherboard works fine otherwise.
 

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