Dell P2225H - Common Problems

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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 pressed
fully.
• Ensure that the correct input source is
selected in the
Input Source menu.
No video/power
LED on
No picture or
no brightness
• Increase brightness and contrast controls
using the OSD.
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video
cable connector.
• Run the built-in diagnostics. For more
information, see
Built-in diagnostics.
• Ensure that the correct input source is
selected in the
Input Source menu.
Poor focus Picture is
fuzzy, blurry,
or ghosting
• Perform Auto Adjust through OSD.
• Adjust the Phase and Pixel Clock controls
through OSD.
• Eliminate video extension cables.
• Reset the monitor to factory settings.
• Change the video resolution to the correct
aspect ratio.