Acer laptop built-in webcam


Acer laptop is having built-in webcam is not working when we connect after WIFI networks
When we check webcam, the message appears as 'Your webcam is used by another user'
I have uninstalled and installed again the same problem appears after we connect to WIFI network

OS is windows7
Please advise how to fix this problem
Jinesh Kumar KochathRegional IT Manager Asked:
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remove your camera in device manager i.e, " right click on 'my computer' >  manage > device manager " ,then restart laptop and then reinstall it
Jinesh Kumar KochathRegional IT Manager Author Commented:
this i done already and when i restart laptop it is working fine for 2 mints time and after that when I try in skype of yahoo, I am getting a message saying that 'You webcam is used by another user'
first uninstalled its drivers ,do not just reboot first uninstalled its whole drivers and then reboot your laptop then installed its drivers after all this your webcam will will work just fine .
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Jinesh Kumar KochathRegional IT Manager Author Commented:
after uninstall drivers, windows is asking me for a reboot and when we restart drivers are automatically getting installed and after 5 minuts, webcam is not working
i think try to update drivers manuaaly because automatically ,ay be wrong drivers are getting installed so try to installed it manually by unchecking the automatically update drivers while rebooting machine.

here they show how to fix it :

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