Manyapps on your Mac support full-screen mode—an app fills the entire screen—so you can take advantage of every inch of the screen and work without desktop distractions. On your Mac, move the pointer to the green button in the top-left corner of the window, then choose Enter Full Screen from the menu that appears or click the button . In Ifyou're unfamiliar, on a Macbook, a green light next to the webcam will come on if the camera is in use. Now something similar will happen on your phone, with the green dot appearing in the corner. iOS14's green dot explained. The green dot, which appears right where the orange dot shows up, serves a similar function, telling you that one of your iPhones cameras are being used. The green Movethe external speaker away from the screen and the green screen should disappear. - If the green screen is on an older CRT or tube TV, the tube or tubes may be faulty and causing the green screen. Replace the tube in the older TV if found to be bad. - If the "green screen" is showing on a Projection TV, then the RED picture tube is L74t73.

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