MSI x99a SLI Plus + Radeon Sapphire Pulse RX 6600 8 GB - no signal

Alan J T

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Thank you. I went and did a clean Windows install and converted from MBR to GPT. Windows installed fine and booted with a default display driver. I then went to install the AMD driver and it shut down at some point during the installation and won't boot again. Same thing. I guess converting to GPT is good in the long run anyway but for now I'm stuck with a GPU that doesn't want work.


Noted. However when the fans stop on the GPU, the monitor returns a no signal message telling me that the GPU is off? Am I right in thinking so?
Still using the Old PSU may be a power fail protection of some kind built in to the GPU would have to Ask Sapphire about that one though
And I would try a Different PSU
 

Alan J T

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If the fans keep spinning with no driver installed (during Windows installation etc.), it could mean the fan stop in idle is coupled to the driver somehow. Then as soon as the driver is loaded, the fans turn off like they should, but at the same time there is some other problem and you don't get a picture. Or it could be like you said, and the card "turns off" somehow. Hard to say at this point.

You need to find the culprit now. Either test your RX 6600 in a different PC, or test a different (modern) GPU in your PC. Depending on what combination works, we'll see what to do next.
RX 6600 is very new
1657254178478.png
 

michalufnia158402e6

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You need to find the culprit now. Either test your RX 6600 in a different PC, or test a different (modern) GPU in your PC. Depending on what combination works, we'll see what to do next.
Thanks. I tested the card with my other PC and it works fine in the other PC. Also a different card from my other PC works in this new PC. I am really stuck.
 

michalufnia158402e6

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Still using the Old PSU may be a power fail protection of some kind built in to the GPU would have to Ask Sapphire about that one though
And I would try a Different PSU
Thanks. I have tried 2 PSUs so far. The first one was a 500W Thermaltake and I upgraded to a 750W Corsair. No difference.
 

Alan J T

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Thanks. I tested the card with my other PC and it works fine in the other PC. Also a different card from my other PC works in this new PC. I am really stuck.
List hardware for your other PC
As you system is getting on a bit

Also try a different PCIe slot

Contact Sapphire or AMD and ask it it has been tested on that Chipset and that series CPU
 

citay

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RX 6600 is very new
I'm aware of that. What i meant with "test a different (modern) GPU in your PC" was to test with a different relatively new graphics card model, so he can be sure that new GPUs work in his older board.
 
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