If your computer doesn't detect NVMe SSD, verify the connection, change drive letter & format SSD, etc to fix NVMe SSD not detected issue.

If Diskpart does not recognize a new SSD in Windows 11/10, check if there is nothing wrong with the physical connection, and then execute the solutions mentioned here.

To format a hard drive before you start using it in Windows, use the Disk Management utility; on a Mac, use Disk Utility.