click start control panel administrive tools computer management device manager scroll down universal serial bus controllers you could see a yellow question mark? right click to reinstall drivers if you can see your usb drive but its not working ports(com&lpt)right click update driver if this fails to fix the problem check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems for a computer and its parts click start control panel administrive tools ,computer management ,device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x right click to reinstall drivers hope this helps
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