Dell U2913WM User Manual page 59

No Video/Power LED on
Poor Focus
Shaky/Jittery Video
Missing Pixels
Stuck-on Pixels
Brightness Problems
Geometric Distortion
Horizontal/Vertical Lines
No picture or no brightness
Picture is fuzzy, blurry, or ghosting
Wavy picture or fine movement
LCD screen has spots
LCD screen has bright spots
Picture too dim or too bright
Screen not centered correctly
Screen has one or more lines
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
Perform Auto Adjust via OSD.
Adjust the Phase and Pixel Clock controls via OSD.
Eliminate video extension cables.
Reset the monitor to Factory Settings.
Change the video resolution to the correct aspect ratio (16:9).
Perform Auto Adjust via OSD.
Adjust the Phase and Pixel Clock controls via OSD.
Reset the monitor to Factory Settings.
Check environmental factors.
Relocate the monitor and test in another room.
NOTE: 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.
Auto Adjust via OSD.
Adjust brightness & contrast controls via OSD.
Reset the monitor to Factory Settings.
Auto Adjust via OSD.
Adjust horizontal & vertical controls via OSD.
NOTE: When using DVI-D input, the positioning adjustments are not available.
Reset the monitor to Factory Settings.
Perform Auto Adjust via OSD.
Adjust Phase and Pixel Clock controls via OSD.
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.
NOTE: When using DVI-D input, the Pixel Clock and Phase adjustments are not available.
NOTE: 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.
Input Source Select button.
Input Source Select button.