Lenovo ThinkCentre M32, User Manual, Page: 66 / 98

For information about the status lights and using the controls, refer to the documentation that comes
with your monitor.
Select your symptom from the following list:
• “Wrong characters appear on the screen” on page 56
• “The monitor works when you turn on the computer, but goes blank after some period of computer
inactivity” on page 56
• “The monitor works when you turn on the computer, but goes blank when you start some application
programs” on page 56
• “The image appears to be flickering” on page 56
• “The image is discolored” on page 57
Wrong characters appear on the screen
Symptom: Wrong characters appear on the screen.
Action: Have the computer serviced. For details, see Chapter 10 “Getting information, help, and service”
on page 63.
The monitor works when you turn on the computer, but goes blank after some period
of computer inactivity
Symptom: The monitor works when you turn on the computer, but goes blank after some period of computer
inactivity.
Action: The computer is probably set for energy savings with the power-management feature. If the
power-management feature is enabled, disabling it or changing the settings might solve the problem.
If you need technical assistance, see Chapter 10 “Getting information, help, and service” on page 63.
The monitor works when you turn on the computer, but goes blank when you start
some application programs
Symptom: The monitor works when you turn on the computer, but goes blank when you start some
application programs.
Actions:
• Ensure the monitor signal cable is securely connected to the monitor and the monitor connector on the
computer. A loose cable can cause intermittent problems.
• Verify that the necessary device drivers for the application programs are installed. Refer to the
documentation for the affected application program to see if device drivers are required.
If you need technical assistance, see Chapter 10 “Getting information, help, and service” on page 63.
The image appears to be flickering
Symptom: The image appears to be flickering.
Actions:
• The monitor might be operating in a low-refresh rate display mode. Set the monitor to the highest,
noninterlaced refresh rate supported by your monitor and the video controller in your computer.
Attention: Using a resolution or refresh rate that is not supported by your monitor might damage it.
Check the documentation that comes with your monitor to verify the supported refresh rates.
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ThinkCentre M32 User Guide