My previous problem with my daughters computer I fixed.
I purchased restore disks from H.P.
Spent all of yesterday reinstalling everything.
The U.S.B. HD drive worked perfectly fine yesterday.
Overnight I installed piles of windows updates.
They finally finished 04:00 today.
After booting the U.S.B. drive didn't show up in my computer.
I noticed exclamation marks on the device in hardware.
The drive does work as it works on another computer, tried and tested.
See images of problem below.
Thanks in advance for any help getting the U.S.B. drive working again.