Dell S2719DC - Common Problems

40 | Troubleshooting
Common problems
The following table provides general information about common monitor problems you might
encounter and the possible solutions.
Issue Short
description
Possible solutions
No Video/Power
LED off
No picture •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 in
the Input Source menu.
•If current HDMI version is 2.0, switch to 1.4.
No Video/Power
LED on
No picture or no
brightness
•Increase brightness and contrast controls through
the OSD.
•Perform monitor self-test feature check.
•Check for bent or broken pins in the video cable
port.
•Run the built-in diagnostics.
•Ensure that the correct input source is selected in
the Input Source menu.
Missing pixels or
Stuck pixels
LCD screen has
spots
•Powercycle.Turnthemonitorandthecomputer
off, and then turn it on again.
•A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/support/monitors.
Brightness
Problems
Picture too dim
or too bright
•Reset the monitor to factory settings.
•Adjust brightness and contrast controls through
OSD.
Safety Related
Issues
Visible signs of
smoke or sparks
•Do not perform any troubleshooting steps.
•Contact Dell immediately.
Intermittent
Problems
Monitor
malfunctions on
and 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.