I'm at my wit's end trying to get an MSI B550-A Pro motherboard to accept a BIOS flash. I built a PC for my nephew using a Ryzen 5 5600x, but it's stuck on the POST screen with a white CPU diagnostic light. I think the BIOS might need an update since it was working with an older CPU before. I've tried using the Qflash+ button with multiple USB drives, formatted to the right specifications, and named correctly. The flashing process starts but never completes, even after waiting for 45 minutes. I've followed instructions closely and am wondering if anyone has tips or advice before I consider buying a new motherboard. Any recommendations?
2 Answers
Just a heads up, the motherboard's BIOS doesn’t revert back, so that shouldn't be an issue. Make sure you’re sticking to the right procedure for flashing it. It’s also helpful to check if you're using the correct BIOS version for your specific motherboard revision. Removing the CPU and RAM while flashing might also help, you don’t need them there during the process.
Have you followed the official steps for using the Flash BIOS feature? Here’s a quick rundown: download the latest BIOS from MSI, rename it to MSI.ROM, and save it to your USB stick. Check that the USB is FAT32 formatted and make sure you’re plugging it into the right port before pressing the Flash BIOS button. Sometimes, even the filesystem can create issues. If it’s still not working, it might be worth trying with another CPU to see if that changes anything.
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