Hello
Thank you for your question and reaching out. I can understand you are having query\issues related to M2 SSD not showing in Windows.
- Go to Device Manager -> Storage Controllers -> Expand
- Find AMD-Intel-RAID Bottom Device -> Right Click -> Properties -> Driver -> Update Driver
-Browse From My Computer -> Let me pick from a list -> Select Standard NVM Express Controller -> Next
-Wait for some time - Then go to Disk Management and see M2 Disk is listed
If issue still persists then try download software or driver from Seagate for this M2 disk model.
Reference:
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