Display/Monitor Problems; General Problems - IBM NetVista 6644 User Manual

Display/monitor problems

Symptom
General monitor
problems
Blank screen
Unreadable characters
The monitor works when
you turn on the computer,
but goes blank after some
period of computer
inactivity.

General problems

Symptom
The computer does not
start when you press the
power button.
50
User Guide
Action
1. Make sure the brightness controls are adjusted correctly.
2. Some IBM monitors have their own self-tests. If you
suspect a problem with your monitor, see "Running the
IBM Enhanced Diagnostics program" on page 57 and
run diagnostics on the monitor.
If you cannot find the problem, check the other listings on
monitor problems in this table.
Verify that the brightness controls are adjusted correctly.
If you cannot correct the problem, have the computer
serviced.
Have the computer serviced.
The computer is probably set for energy savings, using one of
the power management settings. If the power management
features are enabled, disabling or changing the settings
might solve the problem (see "Other settings in the
Configuration/Setup Utility program" on page 31).
Action
Verify that:
1. All cables are securely connected to the proper
connectors on the computer. For the location of the
connectors, see "Connecting cables" on page 9.
2. The computer cover is properly installed.
If you cannot correct the problem, have the computer
serviced.