Flat Panel Display(FPD) Troubleshooting Quick Guide
1. In order to resolve video/display issues gather information about the following symptoms:
- What is the nature of the issue? ( i.e no video, lines, color, etc)
- Does the On Screen Display function normally?
- Has the system, cables or FPD been moved?
2. Reseat Cables. For instructions on how to do this, consult the
Online Owner's Manual - selecting your specific Dell product.
3. Run Built In Self Test (BIST).
BIST is the only diagnostic test that can determine defect with the flat panel display. Here are instructions to run FPD BIST:
- Disconnect video connection between FPD and platform
- Power up FPD
- Press and Hold FPD menu buttons 1 & 4 at the same time for 2 seconds.
4. If BIST passes, follow the steps below. If BIST fails, make a note of the error message and
Contact Technical Support.
Symptoms and Possible Resolution
No Power:
Remove/Reinsert/Swap with known good power cable into the display
Shaky/Fuzzy/Blurry/Jittery/Screen/Dim/Color Issues:
1. Perform Factory Reset; Check video display.
2. If any of the symptoms on the left remain after Factory Reset, then the graphic card or integrated graphic feature needs to be checked. Reset the settings for the Display to Optimal Resolution. For instructions on how to do this, consult the Online Owner's Manual
3. After setting Maximum/Optimal Resolution in On Screen Display(OSD), check video display.
4. When operating in non optimal resolutions video display is expected to be blurry or blocky text.
Model Specific Issues:
- ST2220/ST2320/ST2420 Power Indicator is located at the center of the bezel.
- U2711/U3011 Ensure Dual Link DVI Cable provided is used.
- G2210/G2410 Flicker Issue: Disable ambient light sensor.
For instructions on how to do this, consult the
Online Owner's Manual