i am using winxp....some 2 days back i got an error saying power surge on usb hub...and it stopped working my keyboard plugged in to usb port........i changed the usb port, jis k baad keyboard ne kaam kerna start ker diya.......but after some time power has exceeded its limit ka error aa gyaa.....again i changed the usb port.....ab kertay kertay koi bhee usb port meray keyboard ko support nahn ker rehee..........ab tou window start kerna bhe meray liye meslaa ben gya hai....keyboard failure ki weja se..................help me out........m stucked