If your HDD or SSD is not detected after Blue Screen on your computer, your HDD or SSD might be damaged. Use these solutions before jumping to a conclusion.

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

Why is my SSD showing up in BIOS, but not Windows? In the event that your SSD is visible in BIOS, but you can’t locate the drive in Windows, there could be a few reason why.