video chat not working

  1. A

    Mac video calls not working

    I use video chatting a lot on my Macbook (OS X Yosemite). Sometimes FaceTime, but normally Facebook Messenger. They always work. Now, recently, nothing works. If I use any videochat program it first says 'connecting video' but then says 'call failed'. I have tried Skype, Facetime and Messenger...