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Why my watch youtube, my mac the display of that movie will shaking terribly? Thank you!
MacBook, OS X Mavericks (10.9.2)
Instantly worked, found this on other thread!!
1. System Preferences > Flash Player > Advanced > Delete All
Press the "Delete All" button
2. Safari > Preferences > Privacy
Press the button “ Remove All Website Data”.
當macbook看youtube 螢幕的youtube片會震動
