User Manual

Synchronization

problems

∞

Reset the monitor to factory settings ( Factory Reset).

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 safe mode.

Safety related issues

Do not perform any troubleshooting step.

Contact Dell immediately.

Intermittent problems

Ensure that the video cable connecting the monitor to the

computer is connected properly and is secure.

Reset the monitor to Factory Settings (Factory Reset).

Perform monitor self-test feature check to determine if the

intermittent problem occurs in self-test mode.

Missing color

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.

Wrong color

Change the Color Setting Mode in the Color Settings OSD to

Graphics or Video depending on the application.

Preset Modes in Color settings OSD. Adjust R/G/B

value in Custom Color in Color settings OSD.

Change the Input Color Format to RGB or YPbPr in the Color

settings OSD.

Run the built-in diagnostics.

Image retention from a

static image left on the

monitor for a long period of

time

all times when not in use (for more information, see Power

management modes.

Alternatively, use a dynamically changing screensaver.

Video ghosting or

overshooting

Change the Response Time in the Display OSD to Fast or Normal

depending on your application and usage.

Troubleshooting