Dell P2815Q Monitor - Manual (Page 57)

Troubleshooting
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57
Common Problems
The following table contains general information about common monitor
problems you might encounter and the possible solutions.
Common Symptoms What You
Experience
Possible Solutions
No Video/Power LED
off No picture • Ensure that the video cable
connecting the monitor and
the computer is properly
connected and secure.
• Verify that the power outlet is
functioning properly using any
other electrical equipment.
• Ensure that the power button is
depressed fully.
No Video/Power LED
on No picture or no
brightness • Increase brightness & contrast
controls via OSD.
• Perform monitor self-test
feature check.
• Check for bent or broken pins
in the video cable connector.
• Ensure that the correct input
source is selected via the Input
Source Select menu.
• Run the built-in diagnostics.
Poor Focus Picture is fuzzy, blurry,
or ghosting • Perform Auto Adjust via OSD.
• Adjust the Phase and Pixel
Clock controls via OSD.
• Eliminate video extension
cables.
• Reset the monitor to Factory
Settings.
• Change the video resolution to
the correct aspect ratio .
Shaky/Jittery Video Wavy picture or fine
movement • Perform Auto Adjust via OSD.
• Adjust the Phase and Pixel
Clock controls via OSD.
• Reset the monitor to Factory
Settings.
• Check environmental factors.
• Relocate the monitor and test
in another room.
Missing Pixels LCD screen has spots • Cycle power on-off.
• Pixel that is permanently off is a
natural defect that can occur in
LCD technology.
For more information on Dell
Monitor Quality and Pixel Policy,
see Dell Support site at:
www.dell.com/support/
monitors.