if we place a usb stick, in any of the 4 USB ports it comes up,as L:\ drive, in Explorer.
Therefore the ports are recognized.

He has C:\ as main partition of Disk 0
has D:\ as second partition of Disk 0 with HP OS system (Windows Xp Home)
E:\ DVD
F:\CD
G:\ was the drive letter assigned to External.
H,I,J,K, reader slots.
L:\ assigned to Stick.

Question, Should he still go trough the process in Device Manager (Deleting all USB).