Fix your dead SSD with the power cycle method - Dave Farquhar
11 Fixes for Toshiba External Hard Drive Not Working/Showing Up – EaseUS
Drive Rescue Data Recovery - Two SSDs (XG5 and XG5-P) from Toshiba using an M.2 M connector and Bics NAND. Uses silicon nitride "charge trapping" as opposed to the 1970's "flooding gate"
Safe & Free Toshiba Hard Disk Repair Tool: Fix Corrupted HDD Easily