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 SSD is not detected after a CPU or RAM upgrade, check if you have installed them properly. Use these provided suggestions to fix this issue.

After fitting the SSD in the enclosure & attaching via my Mac's USB 3 port, the SSD is not detected, either in the Finder, Disk Utility or System Information. However, the enclosure's VLI USB 3 ...