Chosen Solution
I have changed the battery in my laptop. I have now noticed that the camera is not working in any of the video applications. iMovie, Facetime, Photobooth etc. I have tried a few things like resetting SMC, PRAM, restarting several times. Nothing worked. Any suggestions?
Did you pinch the cable? Review Step 13 in this guide MacBook Pro 15" Unibody Mid 2012 Logic Board Replacement
