Hello all,
I bought my V3-772G about 1 month ago.
Yesterday everything was working fine and today i noticed than none of the 4 USB ports were working (laptop was suspended since yesterday)
No USB connected sound, nothing. Mouse/pendrive/HDDs/... does not work.
I noticed that on the device manager I had problems with the "USB 3.0 eXtensible Host Controller Driver" as the driver was not loaded. I saw online people saying to unistall and reboot. Did that and again no USB working, on device manager, the device with problems was now "USB xHCI Compliant Host Controller".
I tried the following with NO success:
-Downloaded "USB 3.0 eXtensible Host Controller Driver" from Intel website (available only for W7) - Didnt work
-Full windows restart - The same
-Unplugged battery and power for some mins, rebooted - Same
-Deleted all USB devices (hubs and so on), rebooted - Same
-Unistalled all updates from 2 days before (till the point I know it was working) - Driver dates changed to month before - Same result
-Tried to search on BIOS to disable USB3.0 and put 2.0 - Did not find
-Tried to go back to other restore point - Didnt work, complained that disk may be corrupted
-Executed Widnows chkdsk /r several times - No errors found - Nothing solved
-Executed chkdsk /r - Stuck at 16% but i guess its needs all night (TODO) - Solved nothing
-Tried to make a repair without loosing files (using recovery partitions) - Still guessing how
Any idea or any help? They just stopped working. I bough laptop already with windows 8.1 and they worked for 1 month
Thanks
---UPDATE1---
I used command prompt (via windows recovery on boot) and copied all files from backup drive (i guess) X:\Windows\System32\Drivers\usb* to local drive C:\Windows\System32\Drivers
Rebooted - Still nothing