Hi,

Couple of things to check:

a) Check in BIOS to see if the USB has not been disabled.

Press F2 on startup to enter BIOS go the the Security tab and then select the USB interface security option.

If it is disabled, enable it, save the changes, exit BIOS and restart the laptop.

b) Go to Device Manager and check the status of the USB 3.0 controller. If there is a yellow exclamation mark against the entry, right click on it, select update drivers and follow the prompts.