You press CTRL+ALT+Left/Right Arrow for it to go sideways. If you want it back, then CTRL+ALT+Up Arrow.
Press F4
press F11 on the keyboard and to minamie it back press it again
press "alt+Enter"
Press Ctrl and the plus button :)
Green screen
press alt+tab
You can simply hold down together Ctrl + Alt + any arrow keys to turn your computer sideways the way the arrow points is the way the screen turns.
It's pretty simple Just press and hold control, then alt, then press up arrow to make the screen straight and normal again
You can click 'maximize' on the left of the 'close' button. Press F11 for full screen. You can also change the size of the screen by right-clicking and then go to 'properties'. Go to 'settings' and change the screen resolution.
Is your computer screen plugged in? Make sure your computer screen is properly connected to your computer.
Press f11 to make youre screen go into fullscreen, press f11 to take it off full screen
If you mean to take a picture of the screen using the computer itself, then you can use the shortcut, press command, shift and 4. The cursor will then transform into a cross-like shape which you can then take a picture of the screen with. I hope this information assisted you!