IBM 2283, 6274 manual Display/monitor problems, General problems, Symptom, Action

Display/monitor problems

Symptom	Action
General monitor	1. Make sure the brightness controls are adjusted correctly.
problems	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 66 and
	run diagnostics on the monitor.
	If you cannot find the problem, check the other listings on
	monitor problems in this table.
Blank screen	Verify that the brightness controls are adjusted correctly.
	If you cannot correct the problem, have the computer
	serviced.
Unreadable characters	Have the computer serviced.
The monitor works when	The computer is probably set for energy savings, using one of
you turn on the computer,	the power management settings. If the power management
but goes blank after some	features are enabled, disabling or changing the settings
period of computer	might solve the problem (see “Other settings in the IBM
inactivity.	Setup Utility program” on page 31).
General problems

Symptom	Action
The computer does not	Verify that:
start when you press the	1. All cables are securely connected to the proper
power button.
	connectors on the computer. For the location of the
	connectors, see “Connecting cables” on page 8.
	2. The computer cover is properly installed.
	If you cannot correct the problem, have the computer
	serviced.

Chapter 6. Troubleshooting 53