Table D-6Solving Display Problems (continued)

Blurry video or requested resolution cannot be set.

Cause

Solution

 

 

If the graphics controller was upgraded, the correct graphics

Install the video drivers included in the upgrade kit.

drivers may not be loaded.

 

 

 

 

Monitor is not capable of displaying requested resolution.

Change requested resolution.

 

 

Graphics card is bad.

Replace the graphics card.

 

 

 

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

 

 

 

 

Cause

Solution

 

 

The monitor connections may be incomplete or the monitor may

1. Be sure the monitor cable is securely connected to the

be incorrectly adjusted.

 

workstation.

 

2.

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

 

 

proximity, be sure the monitors are not interfering with

 

 

each other’s electromagnetic field by moving them apart.

 

3.

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 Menu button to access the OSD menu. Select

 

ImageControl/ Horizontal Position or Vertical

 

Position to adjust the horizontal or vertical position of the

 

image.

 

 

“No Connection, Check Signal Cable” displays on screen.

Cause

Solution

Monitor video cable is disconnected.

Connect the video cable between the monitor and workstation.

CAUTION: Ensure that the workstation power is off while connecting the video cable.

“Out of Range” displays on screen.

Cause

Solution

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

Restart the workstation and enter Safe Mode. Change the settings to a supported setting then restart the workstation so that the new settings take effect.

136 Appendix D Troubleshooting without diagnostics

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