The external hard disk cannot be detected under Disk Management, either. It could be recognized several days ago, but I cannot find the drive letter of the Toshiba external hard disk when I connect it to my PC. ' My 500GB Toshiba external hard disk cannot be recognized by my PC that runs Windows 7 operating system. Video - Fix Toshiba external hard drive not showing up on PC with 6 free ways However sometimes, Windows will fail to recognize your external hard disk, which will lead you unable to write any file to the external disk or read any data from the disk. Usually Windows operating system can recognize an external hard disk automatically when you plug it to your computer. Please tell me how to get deleted files back from USB hard drive when it cannot be recognized or detected by computer?' PC Failed to Recognize Toshiba Hard Drive
I can still find it shown as unknown device under Disk Management, but I cannot open it. When I restart the computer, the external hard disk is not showing up in My Computer. ' My computer stops recognizing my Toshiba external hard disk since it shut down due to power off when I was writing data on the external disk. Toshiba External Hard Disk Not Recognized/Detected on PC Fix