First, make sure all cables are connected. Then, find the power button. It will have a special symbol. Press it to turn on the computer.

The computer will take some time to start. This is called booting up. You may see different screens while it loads. It can take a few seconds or a few minutes.

After booting up, you might see a login screen. You may need to type a username and password. If it is your first time, you might have to create an account.