Hello friends today i am going to show you in this video how to fix usb ports not working problem if facing after windows installation or drivers installation.
it is very easy to solve it. you just go to the google search and download usb 3.0 extensible host controller drivers from intel website or lenovo website after installation this drivers your problem is solved.
download from here
https://downloadcenter.intel.com/download/22824/USB-3-0-Driver-Intel-USB-3-0-eXtensible-Host-Controller-Driver-for-Intel-8-9-100-Series-and-Intel-C220-C610-Chipset-Family?product=65855
or from lenovo site
http://support.lenovo.com/in/en/downloads/ds029189
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