Dell 225-4201 manual

Synchronization Problems

Safety Related Issues

Intermittent Problems

Missing Color

Wrong Color

Image retention from a static image left on the monitor for a long period of time

Screen is scrambled or appears torn

Visible signs of smoke or sparks

Monitor malfunctions on & off

Picture missing color

Picture color not good

Faint shadow from the static image displayed appears on the screen

Perform Auto Adjust via OSD.

Adjust Phase and Pixel Clock controls via OSD.

Perform monitor self-test feature check and determine if these lines are also in self-test mode. Check for bent or broken pins in the video cable connector.

Run the built-in diagnostics.

NOTE: When using DVI-D input, the Pixel Clock and Phase adjustments are not available.

NOTE: If you’re using DVI connection, ensure that a Dual Link DVI cable is used (Supplied together with the monitor).

Check for loose connection. Unplug & reconnect if required.

Reset the monitor to Factory Settings.

Perform Auto Adjust via OSD.

Adjust Phase and Pixel Clock controls via OSD.

Perform monitor self-test feature check to determine if the scrambled screen appears in self-test mode.

Check for bent or broken pins in the video cable connector. Restart the computer in the safe mode.

NOTE: If you’re using DVI connection, ensure that a Dual Link DVI cable is used (Supplied together with the monitor).

Check for loose connection. Unplug & reconnect if required.

Do not perform any troubleshooting steps. Contact Dell immediately.

Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.

Reset the monitor to Factory Settings.

Perform monitor self-test feature check to determine if the intermittent problem occurs in self- test mode.

Perform monitor self-test feature check.

Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.

Check for bent or broken pins in the video cable connector.

Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending on the application.

Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color Settings OSD if the Color Management is turned off.

Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD. Run the built-in diagnostics.

Use the Power Management feature to turn off the monitor at all times when not in use (for more information, see Power Management Modes).

Alternatively, use a dynamically changing screensaver.