HOW TO START UP A COMPUTER?? 1.Turn "ON" your computer by pressing Power On Button .It's in a different place on every computer, but it will have the universal power button symbol (shown below). 2.Once turned on, your computer takes time for working . You may see a few different displays flash on the screen. This process is called Booting up , and it can take anywhere from 15 seconds to several minutes. 3.Once the computer has booted up, it may be ready to use, or it may require you to log in. If you've any account to access your computer.then type your USERNAME or selecting your profile, then typing your P assword. Now you are ready to do work on your computer. After log in :- You interact with a computer mainly by using the keyboard and mouse. Keyboard & Mouse are essential part of a computer .They a