My laptop has an Acer crystal webcam, but it does not work. When i try to turn it on it says the webcam is not detected and I should try switching it on, but I don’t know how. How do I turn it on?
It seems that you need to solve the driver issues that might be deterring you to use the webcam.Try the solution listed in the link below -
How to use hardware vendor detection utility
try Acer Hardware Vendor Detection Utility