LAPTOP USB not working

Laptop USB port not working at all,

No sign or installation after pluging in a USB drive. 

The USB port is completely not responding.

Make sure you have checked and completely installed software update of your USB port before handling the solution below.

After software update of your USB port, still no luck, them the above problem maybe as a result of a burnt or damaged USB controller, or USB port IC. 

This controller or USB IC can be found just closed to the main USB port ( not the extension USB port)

Changing this USB controller or USB port IC completely solves the problem.

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