Now the manufacturers assume that computers sit in air-conditioned comfort all day.
In older computers, the fans were very powerful (remember the loud computers of yesteryears?).
A component in the computer (such as a graphics card) may have overheated. After the above checks, restart the computer and see if it is okay.Ģ. If the keyboard is not connected or if it has just been hosed, or if the computer restart has not initialized the keyboard before it stopped and gave you the blank screen, then your none of the keys work!Į. Check that there is a connection between the keyboard and the computer. Check the power supply to the monitor and the cables connecting the monitor to the computer.ĭ. Wiggle the mouse or press ENTER on the keyboard and watch the display screen.Ĭ. Power cycle the monitor (turn OFF and then ON) and wait for a minute or two to see if screen lights up.ī. Or maybe the system has gone into power conserving mode. This could happen at any time during the lifecycle of the computer. The monitor is turned OFF or the cables are disconnected.
