Question

use keyboard keys to turn on the computer​

Answer 1

Answer:

Explanation:This will vary depending on the manufacturer, but it is most often the "DEL" or "F2" key. You should see a message on the screen while the computer is booting that tells you which key to use. If not, consult your owner's manual. Some manufacturers also refer to this as "System Setup.

Answer 2

Answer:

power button is used to turn in the computer ..

to shut down you can press alt +f4 and enter