Thank you for reaching out to us. May I ask if your BIOS has been updated to the latest version 3024 and cleared CMOS? What is the brand and model of the M.2 drive that is not being recognized, has the firmware been updated, and does it get recognized correctly when cross-tested with other devices? Have you tried cross-testing with other M.2 SSDs? What BIOS settings have you adjusted in your troubleshooting process? We recommend referring to the steps outlined in [Motherboard] Troubleshooting - Cannot find the hard disk drive or SSD (M.2) after motherboard powe....
