Monitor problems
Action
Screen flickers.
Set the monitor for 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.
You can reset the refresh rate through your operating
system, using the instructions provided in the
README files. See your operating system
documentation for further information on monitor
settings.
If this does not correct the problem, have the monitor
and computer serviced.
The monitor works when
you turn on the system,
but goes blank when you
start some application
programs.
Verify that:
1. The monitor signal cable is securely connected to
the monitor and the monitor connector on the
graphics adapter. For the location of the monitor
connector on the graphics adapter installed in your
computer, see “Connecting computer cables” on
page 10.
2. The necessary device drivers for the application
programs are installed.
If you cannot correct the problem, have the computer
serviced.
The monitor works when
you turn on the system,
but goes blank after
some period of computer
inactivity.
The computer is probably set for energy savings with
the Advanced Power Management (APM) feature. If
the APM feature is enabled, disabling APM or
changing APM settings might solve the problem (see
“Power management features” on page 40).
If you cannot correct the problem, have the computer
serviced.
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 and the monitor connector on the
system board. To find the monitor connector on
the system board, see “Connecting computer
cables” on page 10.
If you cannot correct the problem, have the computer
serviced.
Only the cursor appears.
Have the computer serviced.
Chapter 7. Troubleshooting
101
Summary of Contents for 628816U - PC 300 GL
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Page 97: ...Desktop Tower Chapter 6 Installing options 83...
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Page 174: ...IBM Part Number 37L2165 Printed in U S A July 1999 37L2165...