The Power Supply Unit (PSU).
This then activates the BIOS (Basic Input-Output system) stored in ROM, (Read-Only memory.) which contains instructions on loading the Operating System.
computer
if you mean to connect it to a tv and your computer and tv has a monitor port you can use that
NO
The steps to switch on a computer begin with making sure that the computer and its peripherals are plugged into an electrical outlet. Turn the power switch on the electrical outlet and press the power button on the computer tower. Turn on the computer monitor and wait for the computer system to start up.
Turn it off
Could you describe me about what the first proccessing of computer when we turn on the button first? Best regards, Sarim
operating system
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.
If you performed this task with the computer running (power on), you may have shorted out the sound card. Always, when installing or removing any electrical/sound connection from the back of a PC, turn it off first.
the plug
No, an electrical starter can not turn without an electrical source.
You need to take it to an electrician to check it out before you try and turn it on.