Muhtaram all Help me

ik PC pr may ne apna usb connect kia jo k status bar par dekha raha hay k usb connected hay lekin jub my computer may jao to removable drive nahi dekha raha hay.yani may apne usb ko khol nahi sukta. wazeh rahay kay yahi usb dosre computer per check kar choka hoon jo k correct kaam karaha hay.
plz batain k kia karoon