Monitor Problems Action
Blank screen. Verify that:
1. The computer power cord is plugged into the computer and a working
electrical outlet.
2. The monitor is turned on and the Brightness and Contrast controls are
adjusted correctly.
3. The monitor signal cable is securely connected to the monitor connector
on the computer. To find the monitor connector, see “External
Connectors” on page 11.
If the problem cannot be isolated and corrected, have the monitor and
computer serviced.
Only the cursor appears. Have the computer serviced.
Wrong characters appear
on the screen.
Have the computer serviced.
General Problems Action
The computer does not
start when you press the
power switch.
Verify that:
1. All cables are securely connected to the proper connectors on the
computer. For the location of the connectors, refer to “External
Connectors” on page 11.
2. The voltage-selection switch is set to the correct position.
3. The computer cover is properly installed.
If the problem cannot be isolated and corrected, have the computer
serviced.
Problems such as a
broken cover lock or
indicator lights not
working.
Have the computer serviced.
Intermittent Problems Action
A problem occurs only
occasionally and is
difficult to detect.
Verify that:
1. All cables and cords are securely connected to the rear of the computer
and attached devices.
2. When the computer is turned on, the fan grill is not blocked (there is
air flow around the grill), and the fans are working. If airflow is
blocked or the fans are not working, the computer might overheat.
If the problem cannot be isolated and corrected, have the computer
serviced.
Chapter 6. Solving Problems 99
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