Macbook internal isight not working

I purchased a new macbook two months ago. isight worked great with photobooth, imovie, ichat. Suddenly isight is gone, no green light. Photobooth, imovie, ichat tell be that no camera is attached. If anyone has any ideas please let me know?

My macbook had the same problem. It began after I installed bootcamp, which I have since updated to 1.1. Whenever I boot into windows xp and then back into Os X, the isight stops working. In photobooth I get a blank green screen with a few scribbling lines of static at the top, but in ichat I get the "in use by other application" error.
I tried a system X reinstall, a bootcamp reinstall, zapping the PRAM, etc. etc. What really killed me was that the isight camera continued to work FINE in windows, but not at all in Os X (I could almost hear Bill Gates snickering).
The solution turned out to be resetting the power management unit by unplugging, removing the battery and holding down the power button for 5 seconds. Works without having to zap PRAM after.
The annoying thing is that I have to do this EVERY TIME after I have booted into windows if I want the camera to work in Os X.
As other users have pointed out, bootcamp now includes a package that updates the isight firmware.
Interestingly, this does NOT happen on my intel iMac, only the macbook.
I'm hoping for a more elegant fix.
Anyone else?
Jason

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Welcome to Apple Discussions, BostonG5
Here are the next things you should try.
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Graceful Hope wrote:
I've had my Macbook Pro for just over three months and used the built-in isight frequently, but yesterday it simply stopped working. (The irony is that I was talking to several people about how much I love my mac when I opened photobooth and discovered a blank screen.) The green light is on in all the applications I've tried and it still shows up under "utilities" in the system profiler, but the screen is blank each time I try to use it. I've tried all the tips I can find online, but it still won't work. Is there anything else I should attempt before taking it in for service?
Welcome to Discussions, Graceful Hope
It seems you are doing everything right!
If you have tried everything except taking your new Mac for service from
http://support.apple.com/kb/HT2090
and the behavior is the same in every user account you test, have it serviced now.
The AASP will soon have you happy again so you can continue to enjoy the new Mac!
Message was edited by: EZ Jim
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jmcopeland wrote:
After upgrading to 10.6.5 the iSight on my older MBP Core Duo no longer works. It shows up as detected in the System Profiler, but when I try to access the camera through Skype, iChat, FaceTime, and PhotoBook all I get is a black screen and the green light doesn't come on.
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It will be interesting to see what the vendors say about using a Mac-compatible external webcam.
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Message was edited by: EZ Jim
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Message was edited by: EZ Jim
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