Common Problems - Dell U2413 User Manual

Common Problems

The following table contains general information about common monitor problems you might encounter and the possible solutions:
Common Symptoms
No Video/Power LED Off No picture
No Video/Power LED On No picture or no brightness
Poor Focus Picture is fuzzy, blurry, or ghosting
Shaky/Jittery Video Wavy picture or fine movement
Missing Pixels LCD screen has spots
Stuck-on Pixels LCD screen has bright spots
Brightness Problems Picture too dim or too bright
Geometric Distortion Screen not centered correctly
Horizontal/Vertical Lines Screen has one or more lines
Synchronization Problems Screen is scrambled or appears torn
Safety Related Issues Visible signs of smoke or sparks
Intermittent Problems Monitor malfunctions on & off
Missing Color Picture missing color
What You Experience
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 depressed fully.
Ensure that the correct input source is selected via the
Increase brightness & contrast controls via 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.
Change the video resolution to the correct aspect ratio.
Reset the monitor to Factory Settings.
Check environmental factors.
Relocate the monitor and test in another room.
For U2713H: 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.
Cycle power On-Off.
Pixel that is permanently Off is a natural defect that can occur in LCD technology.
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:
www.dell.com/support/monitors.
Cycle power On-Off.
Pixel that is permanently On is a natural defect that can occur in LCD technology.
For more information on Dell Monitor Quality and Pixel Policy, see Dell Support site at:
www.dell.com/support/monitors.
Reset the monitor to Factory Settings.
Adjust brightness & contrast controls via OSD.
Reset the monitor to Factory Settings.
Reset the monitor to Factory Settings.
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.
For U2713H: 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 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.
For U2713H: 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.
Possible Solutions
Input Source Select button.
Input Source Select button.