use the obvious lit up power button!
at the computer
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!
Is your computer screen plugged in? Make sure your computer screen is properly connected to your computer.
you restart the computer then turn it on again
ROM is memory the computer will remember. RAM is memory the computer will loss when you turn off the computer.
If your computer screen goes black, the first thing to try is to turn your computer off, and then turn it on again. This allows the computer to re-boot.
Turn it on.
Its Go to control panel and there should be a thing where it can turn off things and turn on things even turn on it self because i cant remember the program but its not available on macs!
Turn the computer off then turn the computer back on
You either dont have it plugged in or your forgetting to use the power button. If they are on, then turn off the computer, take out the battery, and plug out the charger cord. Hold the power button down for about 30 seconds, then plug the charger into the computer. Then turn on the computer. It should work, this process resets something I can't remember, but it worked for mine.
The page that displays the icons when you turn your computer on is called your home screen. Some people do call it the main screen as well.
You cant