dell d600 latitude usb not work

[doaa]

hello
help me my pc
dell latitude D600 usb not work,driver is ok
after the inserted USB drive not recognized
Or anything that contains usb not working
I am changed port usb not work
thanks in advance
Regards

[gokhan338]

a very high probability of being defective southern bridge. Check to see if usb ports are broken or shorted to each other.