Dell P7524QT User Manual page 65

Common What You
Symptoms Experience
Brightness Picture too dim or
Problems too bright
Audio problem No Audio
Geometric Screen not centered
Distortion correctly
Horizontal/Vertical Screen has one or
Lines more lines
Synchronization Screen is scrambled
Problems or appears torn
Safety Related Visible signs of
Issues smoke or sparks
Intermittent Display
Problems malfunctions on
& off
Missing Color Picture missing
color
Wrong Color Picture color not
good
Possible Solutions
• Reset the display to factory settings.
• Auto Adjust via OSD.
• Adjust brightness & contrast controls via OSD.
• Check PC setting if the playback is correctly selected.
• Checking other video cables.
• Ensure that the Speaker is enabled via OSD
• Reset the display to factory settings.
• Auto Adjust via OSD.
• Adjust horizontal & vertical controls via OSD.
• Reset the display to factory settings.
• Perform Auto Adjust via OSD.
• Adjust Phase and Pixel Clock controls via OSD.
• Perform display 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 display to factory settings.
• Perform Auto Adjust via OSD.
• Adjust Phase and Pixel Clock controls via OSD.
• Perform display 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 safe mode.
• Do not perform any troubleshooting steps.
• Contact Dell immediately.
• Ensure that the video cable connecting the display to
the computer is connected properly and is secure.
• Reset the display to factory settings.
• Perform display self-test feature check to determine if
the intermittent problem occurs in self-test mode.
• Perform display self-test.
• Ensure that the video cable connecting the display to
the computer is connected properly and is secure.
• Check for bent or broken pins in the video cable
connector.
• Change the settings of the Preset Modes in the Color
menu OSD depending on the application.
• Adjust 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 the built-in diagnostics.
Troubleshooting | 65