aspire vn7 791 - web cam - Unknown USB Device (Device Descriptor Request Failed) - win 8.1

wanft

Hello,

 

just bought the nitro vn7 791 and i can't get my webcam to work. found in device manager that i have an usb device with the following description: Unknown USB Device (Device Descriptor Request Failed)

 

Already tried:

 

1. unistalling the unknown usb device, unistalling the usb roots and draining the battery to zero. Then powering it up and asking windows to finding the drivers (when i drained the battery, i used a pin to to push the button that simulate the removal of the battery). did not work

2. installing the acer crystal eye (it says i don't have a web cam)

 

any thoughts?

 

ty in advance.

 

general:

Windows has stopped this device because it has reported problems. (Code 43)

A request for the USB device descriptor failed.

 

status:

 

01802400
DN_HAS_PROBLEM
DN_DISABLEABLE
DN_NT_ENUMERATOR
DN_NT_DRIVER

 

class guid:

{36fc9e60-c465-11cf-8056-444553540000}

 

device instance path:

 

USB\VID_0000&PID_0002\6&1665BF5E&0&5

 

hw ids: USB\DEVICE_DESCRIPTOR_FAILURE

 

IronFly

try to follow this guide:

http://acer--uk.custhelp.com/app/answers/detail/a_id/26946/~/reinstall-drivers-or-applications-with-acer-recovery-management

 

if it still fails, i would contact the seller or the Acer support service, maybe you got a faulty webcam.