A Computer Won't Recognize the External Hard Drive. An external hard drive that cannot be recognized can cause serious problems for business users, whether you are relying on the drive to make ...

USB 3.0 failing to recognize a device connected? Try disabling the fast-startup feature in system settings, run the troubleshooter to fix the problem or update the drivers instantly.

Format or re-format the drive so Windows will recognize it. Starting with Windows 7, the Microsoft operating system does not show an unformatted drive in the Computer window.

I have this XP SP2 Pro machine which always exhibit this behavior. Whenever I connect any external USB drive or flash drives, the computer freezes for a few minutes and after a while it says that ...