Brightness Problems Picture too dim or too bright Reset the monitor to Factory Settings.
Adjust brightness & contrast controls via OSD.
Geometric Distortion Screen not centered correctly Reset the monitor to Factory Settings.
Horizontal/Vertical Lines Screen has one or more lines 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.
If you’re using DVI connection, ensure that a Dual Link DVI cable is used (Supplied together withthe monitor).Check for loose connection. Unplug & reconnect if required.
Synchronization Problems Screen is scrambled or appears torn 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

.
If you’re using DVI connection, ensure that a Dual Link DVI cable is used (Supplied together withthe monitor).Check for loose connection. Unplug & reconnect if required.
Safety Related Issues Visible signs of smoke or sparks Do not perform any troubleshooting steps.
Contact Dell immediately.
Intermittent Problems Monitor malfunctions On & Off 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.
Missing Color Picture missing color 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.
Wrong Color Picture color not good Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending on the
application.
Try different Color Preset Settings in Color Settings OSD. Adjust R/G/B value in Color Settings OSD if the Color
Management is turned Off.
Change the Input Color Format to PC RGB or YPbPr in the Advance Setting OSD.
Run the built-in diagnostics.
Image retention from a static image
left on the monitor for a long period
of time
Faint shadow from the static image
displayed appears on the screen
Use the Power Management feature to turn Off the monitor at all times when not in use (for more
information, see Power Management Modes ).
Alternatively, use a dynamically changing screensaver.