Dell E2014T 19.5 Multi-Touch Monitor with LED Manual de usuario descargar pdf (Pagina 40)

40  Troubleshooting

Common

Symptoms

What You

Experience

Possible Solutions

Brightness

Problems

Picture too dim

or too bright

•Reset the monitor to factory settings.

•Auto Adjust using OSD.

•Adjust brightness and contrast using

theOSDD.

Geometric

Distortion

Screen not

centered

correctly

•Reset the monitor to factory settings.

•Auto Adjust using OSD.

•Adjust horizontal and vertical positions using

OSD.

Horizontal/

Vertical Lines

Screen has one

or more lines

•Reset the monitor to factory settings.

•Perform Auto Adjust using OSD.

•Adjust Phase and Pixel Clock using OSD.

•Perform monitor self-test and determine if the

lines appear in the self-test mode.

•Check for bent or broken pins on the

displaycable and the ports.

•Run the built-in diagnostics.

Synchronization

Problems

Screen is

scrambled or

appears torn

•Reset the monitor to factory settings.

•Perform Auto Adjust using OSD.

•Adjust Phase and Pixel Clock using OSD.

•Perform monitor self-test check to determine

if the problem appears in self-test mode.

•Check for bent or broken pins on the

displaycable and the ports.

•Restart the computer in safe mode.

Intermittent

Problems

Monitor

malfunctions

on and off

•Make sure the displaycable connecting

the monitor to the computer is connected

properly and is secure.

•Reset the monitor to factory settings.

•Perform monitor self-test to determine if the

intermittent problem occurs in self-test mode.

Missing Color

Picture missing

color

•Perform monitor self-test.

•Make sure the displaycable connecting

the monitor to the computer is connected

properly and is secure.

•Check for bent or broken pins on the

displaycable and the ports.

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