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4.
If your computer still does not respond, you can reset it with
the RESET button. Follow the instructions in Chapter 2.
5.
If resetting the computer does not work, turn off the
computer, wait at least five seconds, and turn it on again.
If you have the Apex 100, insert the Startup diskette in
drive A. The computer should load MS-DOS and display
the MS-DOS command prompt on the screen.
Keyboard Problems
If you are having trouble with the keyboard, check the
following:
1.
If a keyboard error is displayed on the screen when you turn
on or reset the computer, make sure the keyboard is
securely connected to the computer. See “Connecting the
Keyboard”
in Chapter 1 for instructions.
2.
If nothing happens when you type on the keyboard, see the
previous section ("The Computer Locks Up”).
3.
If the arrow keys are not working properly, the Num Lock
function may be on. When Num Lock is on, the numeric/
arrow keys on the numeric keypad work only as numbers.
See if the
Num Lock
indicator on the upper right comer of
the keyboard is illuminated, if it is, press the
Num Lock
key to turn off the function.
Monitor Problems
If the monitor is causing problems, check the following:
1.
If there is no display on the screen, check that the
monitor’s
power
switch is on and that the power light on
the monitor is lit. If the power light on the monitor is lit
but you still do not see anything on the screen, check the
monitor’s brightness and contrast controls.
Troubleshooting 5-3