Usb mass storage device failed windows 7, why?

Question

System administration

Such a problem: the keyboard and mouse work normally from USB, but flash drives and other equipment do not connect to the computer, for example, the phone does not charge. The devices themselves work fine, tested on other computers.

Where to dig?

Answer 1

Antivirus device control
On the mother squanders on power usb Boot
from bootcd (window or linux) and see how your [flash drive..phone..device] is there - works / no, if it works, then the software part is buggy, if it's just as buggy as before , which means the hardware is not alo

Answer 2

1. The port is half dead. It can power the keyboard and mouse, but something more serious is no longer there.
2. The firewood installation system was covered.