if it is white press the home button and the on and off button for about 10 seconds.
OK so you see a screen and there is a keyboard in front of it that is a COMPUTER! You turn on the screen and you got on a computer!
A: IS NOT your computer but rather the monitor that loses sync.
It depends on what computer it is, and what age it is. I would turn it off & leave it for a few days, and if it has not fixed itself take it in to where you got it.
Either the computer crashed or the three primary colors of light: Red, Green and blue
full
The joystick is wet OR there is white out on the screen.
If you are getting a white screen on your notebook computer there could be a connection issue between the video cable and LCD screen. First think to try is reseating the video cable connection on the back of the laptop LCD screen.
Data can be shown on a large screen by using a projector attached to the computer. The projector throws the image onto either a white sheet attached to the wall, or onto a special projector screen. If, by a very large screen? (as in the question) a serial RS232 9 Pin cable can be attached between the computer and the large monitor/screen.
Your computer might be over heating. Check that all the fans are spinning in it.
Red, Green, Blue, aka RGB
Red, Green and Blue.
Red, green & blue.