Windows does not recognize my Usb ports again

[horlayorday]

My Laptop computer is Dell Latitude D600, the USB ports just stopped to work again and the windows is not recognize it again. Pls, I need ur HELP...

 

[sudhakarvsnl]

they r enabled in bios and reinstaller drivers but it was not working i am able to recharge my cellphone but data was not getting detecable