HP ProDesk 600 G3 Maintenance And Service Manual page 96

Small form factor pc
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"No Connection, Check Signal Cable" displays on screen.
Cause
Monitor video cable is disconnected.
"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.
88
Chapter 6 Troubleshooting without diagnostics
Solution
Connect the video cable between the monitor and computer.
CAUTION:
Ensure that the computer power is off while
connecting the video cable.
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.
To enter Safe Mode in Windows 10:
1.
Log into the computer using an Administrator account.
2.
Type msconfig in the taskbar search box, and then select
msconfig from the list of applications.
3.
Click the Boot tab, select Safe boot and then click OK.
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

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