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2.
If the power light still does not come on, turn off the
power switch. Check to see that the AC adapter is securely
connected to both the computer and an electrical outlet.
Then turn the power back on.
3. If the computer still does not start up, check the electrical
outlet. Plug a portable lamp into the outlet you are using
for the computer and turn it on to see if the outlet supplies
power.
The LCD Screen is Blank
If the computer starts up but no image appears on the
LCD screen, follow these steps to solve the problem:
1.
2.
3.
4.
Use the contrast switch (and brightness switch if your
screen has one) to adjust the screen display.
Be sure DIP switch 4 above the keyboard is turned on to
select the LCD screen as the display device. (See ‘Setting
the DIP Switches” in Chapter 1 for instructions.)
Remove any diskettes, then turn off the computer. Check
that the LCD screen is properly connected to the
computer. (See Chapter 1 for instructions.) Wait at least
five seconds and then turn the computer back on.
If you have the backlit model screen, you may need to
replace its electroluminescent element. See ‘Caring for the
Backlit Screen” in Chapter 3 and also see Appendix A.
The Monitor Screen is Blank
If you are using a color monitor with the computer but no
image appears on the screen, follow these steps to solve the
problem:
1.
Be sure the power switches on the computer and monitor
are turned on.
2.
Use the controls on the monitor to adjust the brightness
and contrast.
B-2 Troubleshooting