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Acer Aspire 5920 webcam problem


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#1 duffsparky

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Posted 12 April 2012 - 06:38 AM

Hi All,

Over the past few months I've been trying to resolve a webcam problem on a friends PC. The PC is an Acer Aspire 5920 laptop with internal USB Crystal Eye webcam(?), the OS is Vista Home Premium.

The webcam has worked but not very often and at the moment not at all. Device manager shows the cam as:-
Properties -> General: Unknown Device
Device type: Universal Serial Bus Controllers
Manufacturer: (Standard USB Host Controller)
Device staus: No drivers are installed for this device.

Details: Device Instance Path: USB\VID_0000&PID_0000\5&2BE3BD0&0&2.

I've tried several things to resolve the issue including the following:
  • disabling/re-enabling the device through Device Manager.
  • disabling/re-enabling the USB Root Hub through Device Manager.
  • disabling/re-enabling the Host Controller through Device Manager.
  • disabling/re-enabling all USB devices, Root Hubs and Host Controllers.
  • uninstalling/reinstalling the device through Device Manager.
  • uninstalling/reinstalling the USB Root Hub through Device Manager.
  • uninstalling/reinstalling the Host Controller through Device Manager.
  • uninstalling/reinstalling all USB devices, Root Hubs and Host Controllers.
  • uninstalling/reinstalling Crystal Eye application
  • reinstalling the driver(s)
  • updating the driver(s)

When I manually select the installion driver inf file (snp2uvc.inf) the installer tells me that "Windows has determined the driver software for your device is up to date".

From Google searching, it would appear Acer laptops seem to suffer from sudden loss of webcam but I have yet to find a fix. I found one site that suggested booting the lappy with Ubuntu from a USB stick then check to see if the webcam appeared in that OK. I've managed to boot the laptop with Ubuntu but that's as far as I've got coz I've not used it before and I need to learn how to drive it.

Any help would be much appreciated.

Thanks

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#2 rotor123

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Posted 12 April 2012 - 03:40 PM

Speaking generically

Several things can cause a problem with the built in webcams.

1. Defective webcam itself.
2. The cable running from the motherboard up through the hinges to the webcam.
3. Bad port on the motherboard.
4. Software issues.

None of the three hardware causes is easy to test except by substitution.

If it were sitting in front of me I'd pop in a spare hard drive and do a quicky install to see if it worked then.

If no joy there then I'd order a cable and camera and try plugging it in on the motherboard. Easy enough to do, usually, by removing the keyboard and plugging it in while holding it from shorting out and testing.

Or If I wanted one myself I would just go buy a cheap external and plug it in when needed.

Fortune Cookie says: Fortune not Found: Abort, Retry, Ignore?

Sent from my All-In-One Desktop. Perfect for Internet, Not for heavy usage or gaming however.

How Does a computer get Infected? http://www.bleepingcomputer.com/forums/t/2520/how-did-i-get-infected/
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167 @ June 2015


#3 duffsparky

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Posted 17 April 2012 - 05:15 AM

Problem solved.
I had to dismantle the laptop coz it developed a screen flicker assosciated with opening and closing the lid. I disconnected all connectors between the top and base units, then refitted them and resembled everything. Flicker gone and webcam present - result!!!

#4 rotor123

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Posted 17 April 2012 - 10:10 AM

Way to go.

Fortune Cookie says: Fortune not Found: Abort, Retry, Ignore?

Sent from my All-In-One Desktop. Perfect for Internet, Not for heavy usage or gaming however.

How Does a computer get Infected? http://www.bleepingcomputer.com/forums/t/2520/how-did-i-get-infected/
Forum Rules,    The BC Welcome Guide

167 @ June 2015





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