Dell E2014T 19.5 Multi-Touch Monitor with LED User Manual

Page 40

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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 OSD

D.

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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