Keyboard Problems
The screen displays a keyboard error message when you turn on of reset the computer.
Make sure the keyboard is securely connected to the correct port.
Nothing happens when you type on the keyboard.See “The Computer Does Not Respond,” above.
The cursor keys on the numeric keypad do not work properly.If the Num Lock light in the upper right corner of the keyboard is lit, press NumLock to turn off the function.
If you want to change the initial settings of the num lock function, see “Setting the NumLock On at Boot” in Chapter 1.
Monitor Problems
There is no display on the screen.Check that the monitor’s power switch is on and that its power light is lit.
The power light is on, but you still do not see anything on the screen.Check the brightness and contrast controls.
If you still do not see anything on the screen, make sure you connected your monitor to the computer securely.