Restore a missing USB drive in Windows to full health. Restore a missing USB drive in Windows to full health Get your USB disk drive working again with this tip Posted on 2016/10/12 by Roland Waddilove in Free, Hardware, How-To, Windows 10, Windows 7, Windows 8 // 0 Comments This is a tale of an external hard drive that would not appear in Explorer and could not be seen or used. It was working fine, then one day it wasn’t there. What happened? Here is how to fix it.