usb reconnects itself.

Ergi Sala

Honorable
Oct 10, 2013
1
0
10,510
after giving it to a friend, my usb reconnects itself every time i want to change sth on it (copy, paste, scan form viruses, format etc.) so i can't think on a fix. The pc, usb port and allow "windows to unplug...."doesn't matter. Any ideas? thnx for reading