Dell Alienware AW2518H User Manual page 48

Brightness Picture too dim
Problems or too bright
Geometric Screen not
Distortion centered
correctly
Horizontal/ Screen has one
Vertical Lines or more lines
Synchronization Screen is
Problems scrambled or
appears torn
Safety Related Visible signs of
Issues smoke or sparks
Intermittent Monitor
Problems malfunctions on
& off
Missing Color Picture missing
color
48 | Troubleshooting
• Reset the monitor to factory settings.
• Adjust brightness & contrast controls via OSD.
• Reset the monitor to factory settings.
• Reset the monitor to factory settings.
• 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.
• 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.
• 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.