What If Your Computer Does Not Work?
LCD Problems
Screen Message
Action
30
x
Turn off the computer and all attached devices. Turn on the computer first; then
turn on the attached devices.
If the computer has an external keyboard connected, verify that:
1. The external keyboard is connected to the correct side of the
keyboard/mouse connector (see page 193).
2. The keyboard/mouse connector is correctly connected to the computer.
If the preceding items are correct, disconnect the keyboard/mouse connector
from the computer and verify that the operation of the system keyboard is
correct. If the system keyboard works correctly, have the keyboard/mouse
connector or the external keyboard serviced.
Test the computer by selecting the Start icon.
– If the computer stops during testing and does not continue, have the
computer serviced.
– If the tests do not find a problem but one still exists, find the problem in
“What If Testing Cannot Find the Problem?” on page 264.
Problem
Action
The screen is blank and
there are no beeps.
Note: If you are not sure
about the beeps, turn the
computer off; then turn it
on again, and listen to the
beeps.
Verify that:
The battery pack is correctly installed.
The AC Adapter is connected to the computer and the power cord is
plugged into a working electrical outlet.
The computer power switch is turned on.
If the preceding items are correct and the screen remains blank, have the
computer serviced.
The screen is blank and
there is one beep.
Note: If you are using an
external display, go to
“External Display
Problems” on page 267.
If a power-on password is set, type the correct password and press Enter (see
page 134).
If a power-on password is not set, verify that the brightness control on the
computer is correctly adjusted. If the preceding items are correct and the
screen remains blank, have the computer serviced.
Chapter 8. Solving Computer Problems
259
Title: C78TFMST CreationDate: 07/11/95 14:33:57
