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

That's usually not a problem when formatting a drive from a Windows PC, but regardless, this tool ensures you'll never run into that. How to format (initialize) a new internal hard drive ...

This post explains what is MBR (Master Boot Record), GPT (GUID Partition Table) and which technology is better for your SSD.