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"Out of Range" displays on screen.
Cause
Video resolution and refresh rate are set higher than what
the monitor supports.
High pitched noise coming from inside a flat panel monitor.
Cause
Brightness and/or contrast settings are too high.
Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to
center the picture on the screen (flat panel monitors using an analog VGA input connection only).
Cause
Flat panel monitor's internal digital conversion circuits may
be unable to correctly interpret the output synchronization of
the graphics card.
Graphics card is not seated properly or is bad (some
models).
96
Appendix F Troubleshooting Without Diagnostics
Solution
Restart the computer and enter Safe Mode. Change the
settings to a supported setting then restart the computer so
that the new settings take effect.
To enter Safe Mode in Windows 7:
1.
Restart the computer.
2.
Press and hold the
F8
key as your computer restarts,
before the Windows logo appears. If the Windows logo
appears, you must restart the computer and try again.
3.
On the Advanced Boot Options screen, use the arrow
keys to highlight the safe mode option you want, and
then press Enter.
4.
Log on to your computer with a user account that has
administrator rights.
When your computer is in safe mode, Safe Mode
displays in the corners of your monitor. To exit safe
mode, restart your computer and let Windows start
normally.
Solution
Lower brightness and/or contrast settings.
Solution
1.
Select the monitor's Auto-Adjustment option in the
monitor's on-screen display menu.
2.
Manually synchronize the Clock and Clock Phase on-
screen display functions. To download a SoftPaq that
will assist you with the synchronization, go to the
following Web site, select the appropriate monitor, and
download either SP32347 or SP32202:
http://www.hp.com/support
1.
Reseat the graphics card.
2.
Replace the graphics card.
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