USB ports no longer working on Lenovo T540P Windows 8.1

None of my USB ports are working on my laptop, have tried updating drivers, windows update, restarting to no avail.  Under device manager I have "warning" with Other Device -  Uknown device, under properties and Location: Intel USB 3.0 extensible host controller - 0100 it says the drivers for this device are not installed (Code 28).  There are no compatible drivers for this device.
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JohnBusiness Consultant (Owner)Commented:
USB ports in modern machines generally do not have drivers. BIOS and native Windows handle the USB ports.

Start the computer with a bootable DVD (Ultimate Boot CD or equivalent). This removes the operating system component.

If the USB ports do not work with a bootable DVD, then there is a hardware problem.

Certainly the USB ports on my Lenovo X230 with Windows 8.1 Pro fully updated work just fine.
find the driver here :

but if they worked before - and not anymore -you may have a bad chipset - meaning you need a new mobo (but i hope that's not your case)

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noxchoGlobal Support CoordinatorCommented:
The USB3.0 port usually requires the driver from the Renesas. I don't know what is going on between Microsoft and Renesas but MS could not get the driver for this interface somehow.
If the driver given by nobus above does not work then most possibly your port is bad.
Try to turn it off in BIOS and then turn it on.
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I wouldn't use the UBCD for testing.  That has a text based interface and I'm not sure it handles mouse input.  It is a good CD to have.  Recommended.

A bootable CD or DVD is a good idea.  I'd try the Ubuntu CD (Note you can bypass the begging for money page and continue to the download).  Boot from it and you can run it live without installing.

If you can see the mouse and use it then your ports are OK.
sagesueAuthor Commented:
Thanks everyone for your responses. The computer was under warranty, found a depot and they were able to fix it.
JohnBusiness Consultant (Owner)Commented:
@sagesue  - Thanks for the update and I was happy to help.
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