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Troubleshooting | 63
Horizontal/
Vertical Lines
Screen has one
or more lines
• Reset the monitor to factory settings.
• P
erform 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 t
he built-in diagnostics.
Synchronization
Pro
blems
Screen is
scrambled or
appears torn
• Reset the monitor to factory settings.
• P
erform 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.
• Re
start the computer in the safe mode.
Safety Related
Issues
Visible signs of
smok
e or sparks
• Do not perform any troubleshooting steps.
• Cont
act Dell immediately.
Intermittent
Pro
blems
Monitor
malfunctions on
& off
• En
sure that the video cable connecting the monitor to the
computer is connected properly and is secure.
• R
eset the monitor to factory settings.
• P
erform monitor self-test feature check to determine if the
intermittent problem occurs in self-test mode.
Missing Color Picture missing
color
• P
erform monitor self-test feature check.
• En
sure 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
go
od
• Change the settings of the Preset Modes in the Color menu
OSD depending on the application.
• Adju
st R/G/B value under Custom. Color in Color menu
OSD.
• Change
the Input Color Format to PC RGB or YPbPr in the
Color menu OSD.
• Run t
he built-in diagnostics.
Image retention
from a static
im
age left on
the monitor for
a long period of
time
Faint shadow
fr
om 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
).
• Alter
natively, use a dynamically changing screensaver.