My Radeon 5700XT Sapphire Pulse does not work in the PCI-E1 slot of my MSI B450 Gaming Plus Max mobo but, it works in the lower slot. Has anyone had this problem or knows how to fix it?
Have you checked the bios, to make sure the PCIe version is set 3 and not Auto?
I set the PCIe to”Gen 3,” but that did not work.
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Need more information on your computer Setup including Make & Model of your CPU.
From your motherboard's MSI SUPPORT Specs: Specification for B450 GAMING PLUS MAX | Motherboard - The world leader in motherboard design | MSI Global
Make sure you have the latest BIOS and CHIPSET versions installed: Support For B450 GAMING PLUS MAX | Motherboard - The world leader in motherboard design | MSI Global
After doing all of the above and the RX5700 still doesn't work in PCIe x 16 slot 1 then I would suggest you open an MSI SUPPORT Ticket and see if your motherboard needs to be RMAed to be checked to see if Slot 1 is defective or not.
I have an AMD Ryzen 5 3600x, Radeon 5700XT Sapphire Pulse, and MSI B450 Gaming Plus Max.
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