Dell E2223HN Manuale d'uso - Pagina 46

Sfoglia online o scarica il pdf Manuale d'uso per Monitor Dell E2223HN. Dell E2223HN 49.
Anche per Dell E2223HN: Manuale di servizio (12 pagine)

Stampa la pagina
Dell E2223HN Manuale d'uso

Common problems

The following table provides general information about common monitor problems
you might encounter and the possible solutions:
Common symptoms
No video/Power LED off
No video/Power LED on
Poor focus
Shaky/Jittery video
Missing pixels
Stuck-on pixels
Brightness problems
Geometric distortion
Horizontal/Vertical lines
│
46
Troubleshooting
• Ensure that the video cable connecting the monitor and the computer is
properly connected and secure.
• Verify that the power outlet is functioning properly using any other electrical
equipment.
• Ensure that the power button is pressed.
• Ensure that the correct input source is selected via the
• Increase brightness and contrast controls using the OSD.
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video cable connector.
• Run the built-in diagnostics.
• Ensure that the correct input source is selected via the
• Eliminate video extension cables.
• Reset the monitor to Factory Settings (Factory Reset).
• Change the video resolution to the correct aspect ratio.
• Reset the monitor to Factory Settings (Factory Reset).
• Check environmental factors.
• Relocate the monitor and test in another room.
• Cycle power On-off.
• Pixel that is permanently off is a natural defect that can occur in LCD
technology.
• For more information about Dell Monitor Quality and Pixel Policy, see Dell
Support site at:
www.dell.com/pixelguidelines
• Cycle power On-off.
• Pixel that is permanently off is a natural defect that can occur in LCD
technology.
• For more information about Dell Monitor Quality and Pixel Policy, see Dell
Support site at:
www.dell.com/pixelguidelines
• Reset the monitor to Factory Settings (Factory Reset).
• Adjust brightness and contrast controls using OSD.
• Reset the monitor to Factory Settings (Factory Reset).
• Adjust horizontal and vertical using OSD.
• Reset the monitor to Factory Settings (Factory Reset).
• 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.
Possible solutions
.
.
Input Source
menu.
Input Source
menu.