You go to work after a long weekend and try to turn on your computer. When you push the button on the desktop, the system does not start. The monitor turns on and displays a message saying that there's no signal. When you push the desktop button again, you notice that you don't hear any sounds coming from the desktop and the lights on the computer are not turning on.

After turning off the power for the night, a computer will no longer remember the current date, therefore you will need to manually input it again in the morning. What exactly is the problem, and how can it be fixed?

The keyboard and the scanner: input or output? Put a checkmark next to it on each one.

When a computer is switched down at night, you must enter the date again in the morning. How do you fix it?