Have you checked for updates on Qicktime etc.
Just a thought the camera takes SDHC cards, if you are using cards that are less than class 6 you may get a jerky video as the informations will not be writen to the card quick enough.
Alienware 17 R4 2017 review
These brilliant Lego posters show just what children's imaginations are capable of
Mac power user tips and hidden tricks
Comment réinitialiser votre PC, ordinateur portable ou tablette Windows ?