Dell P2422H Users Guide - Page 71

settings OSD. Adjust, Missing Color

Page 71 highlights

Brightness Problems Geometric Distortion Horizontal/ Vertical Lines Synchronization Problems Safety Related Issues Intermittent Problems Missing Color Wrong Color • Reset the monitor to Factory Settings (Factory Reset). • Adjust brightness & contrast controls via OSD. • Reset the monitor to Factory Settings (Factory Reset). • Adjust horizontal & vertical controls via OSD. • Reset the monitor to Factory Settings (Factory Reset). • 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. • Reset the monitor to Factory Settings (Factory Reset). • 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. • Do not perform any troubleshooting steps. • Contact Dell immediately. • Ensure that the video cable connecting the monitor to the computer is connected properly and is secure. • Reset the monitor to Factory Settings (Factory Reset). • Perform monitor self-test feature check to determine if the intermittent problem occurs in self-test mode. • 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. • Change the Color Setting Mode in the Color Settings OSD to Graphics or Video depending on the application. • Try different Preset Modes in Color settings OSD. Adjust R/G/B value in Custom Color in Color settings OSD. • Change the Input Color Format to RGB or YCbCr(digital)/YPbPr(analog) in the Color settings OSD. • Run the built-in diagnostics. Troubleshooting │ 71

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Troubleshooting
71
Brightness
Problems
• Reset the monitor to Factory Settings (
Factory Reset
).
• Adjust brightness & contrast controls via OSD.
Geometric
Distortion
• Reset the monitor to Factory Settings (
Factory Reset
).
• Adjust horizontal & vertical controls via OSD.
Horizontal/
Vertical Lines
• Reset the monitor to Factory Settings (
Factory Reset
).
• 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.
Synchronization
Problems
• Reset the monitor to Factory Settings (
Factory Reset
).
• 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.
Safety Related
Issues
• Do not perform any troubleshooting steps.
• Contact Dell immediately.
Intermittent
Problems
• Ensure that the video cable connecting the monitor to the
computer is connected properly and is secure.
• Reset the monitor to Factory Settings (
Factory Reset
).
• Perform monitor self-test feature check to determine if the
intermittent problem occurs in self-test mode.
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
• Change the
Color Setting Mode
in the
Color Settings
OSD to
Graphics
or
Video
depending on the application.
• Try different
Preset Modes
in
Color
settings OSD. Adjust
R
/
G
/
B
value in
Custom Color
in
Color
settings
OSD.
• Change the
Input Color Format
to
RGB
or
YCbCr(digital)/YPbPr(analog)
in the
Color settings
OSD.
• Run the built-in diagnostics.