The picture is broken up, rolls, jitters, or flashes.

Cause

Solution

 

 

The monitor connections may be incomplete or the monitor

1. In a two-monitor system or if another monitor is in close

may be incorrectly adjusted.

proximity, be sure the monitors are not interfering with

 

each other’s electromagnetic field by moving them

 

apart.

 

2. Fluorescent lights or fans may be too close to the

 

monitor.

 

 

Monitor needs to be degaussed.

Degauss the monitor. Refer to the documentation that came

 

with the monitor for instructions.

 

 

Image is not centered.

 

 

 

Cause

Solution

 

 

Position may need adjustment.

Press the monitor's Menu button to access the OSD menu.

 

Select ImageControl/ Horizontal Position or Vertical

 

Position to adjust the horizontal or vertical position of the

 

image.

 

 

“Out of Range” displays on screen.

 

 

 

Cause

Solution

Video resolution and refresh rate are set higher than what the monitor supports.

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.

High pitched noise coming from inside monitor.

Cause

Solution

 

 

Brightness and/or contrast settings are too high.

Lower brightness and/or contrast settings.

 

 

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

Solution

Monitor’s internal digital conversion circuits may be unable to correctly interpret the output synchronization of the graphics card.

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

Graphics card is not seated properly or is bad.

1.Reseat the graphics card.

2.Replace the graphics card.

110 Appendix C Troubleshooting Without Diagnostics

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HP 8200 SM774UP manual Image is not centered Cause Solution, Select ImageControl/ Horizontal Position or Vertical