Users Guide

Troubleshooting 57
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 Mode in the Color
OSD to Graphics or Video depending
on the application.
Try dierent Color Preset Settings
in Color OSD. Adjust R/G/B value in
Color OSD if the Color Management
is turned o.
Change the Input Color Format to PC
RGB or YPbPr in the Color OSD.
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
Set the screen to turn o after a few
minutes of screen idle time. These
can be adjusted in Windows Power
Options or Mac Energy Saver setting.
Alternatively, use a dynamically
changing screensaver.