press ctrl+w
if your asking how to turn on the computer then i would say probably pressing the on button. or holding the power button til it turns 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.
Nope.
the desktop
is to one A: turn it off by the start button or, shut it down by pressing the button on your tower.
It is used to start the internet, or look through your computer. You can turn off your computer, or log out.
yes if we turn off our computer without signing out our computer will automatically disconnect with internet.
No. If you are downloading your computer needs to be on
Without disassembling the computer, you cannot. Go to a computer repairman, and ask him if he can get files off it, or make it turn on.
Press the power button or go to start>Turn off computer>restart
The screen on your computer may not be working or the tower may not be receiving enough power. You will need to take it to a computer repair shop to be tested.
No, use the power button to turn off your computer. USB is best because You can unplug and plug the keyboard back in without your computer turning off.