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Windows 10 64x Support For Crossfire R9 390x

Question asked by kindred on Mar 2, 2016
Latest reply on Mar 2, 2016 by kindred

So I've run into an issue regarding crossfire and after extensive searches it has come to my attention that I am the only one with the issue.

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I've recently purchased a new MSI R9 390x to pair with my other MSI R9 390x. I am aware of the power draw and a have decent enough power supply to run it.

So, my issue is that when I installed them both, I received no errors no BSOD's nothing. It goes through post and just sits there at the windows logo with the spinning dots. after about an hour and a half it will BSOD and rerun through the booting process. I have tried to fix this multiple times by uninstalling the drivers with DDU and reinstalling them. Still Nada. Fresh installs of windows. Nada, Same thing. I have switched the card around. They work fine individually and they work fine in both PCI slots.

 

BUT. By sheer mistake I accidentally installed a windows 10 32bit OS and to my surprise booted first time no hassle. I could run crossfire and everything. Installed drivers just fine and rebooted just fine. So thinking maybe it was a fluke, I redownloaded then reinstalled windows 10 64bit and guess what. STILL STUCK AT WINDOWS LOGO! So I reinstalled 32bit back on there and whala!! It worked like a charm. Sad thing is you cant run most games on a 32 bit system, and you can't have more than 4gb of ram either so its not a very reliable setup.

 

So in conclusion, anyone got a fix for this? Maybe toss me a bone and tell me whats causing it?

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