Epson 10020 User Manual

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.

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

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.

If the monitor is causing problems, check the following:

1.

If there is no display on the screen, check that the

monitor’s 

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