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.
at the computer
It does but it doe not say welcome. If it does not show the welcome page, then that means you have a bad kind of 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!
its broken.
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
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.
who knows it happened to me! Answer me!
Turn it on.
Turn the computer off then turn the computer back on
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.
That means its broke.