Dell The world’s first 5K . Dell UltraSharp 27 Monitor Users Guide - Page 53

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: Problem No Video/Power LED Off No Video/Power LED On Missing Pixels Cause Solution 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. • Ensure that the correct input source is selected via the Input Source menu. • Check the Power Button LED option under Energy Settings in OSD Menu 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. • Run the built-in diagnostics. • Ensure that the correct input source is selected via the Input Source menu. LCD screen has • Cycle power On-Off. spots • 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: http:// www.dell.com/support/monitors. Troubleshooting  53

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Troubleshooting
53
Common Problems
The following table contains general information about common monitor
problems you might encounter and the possible solutions:
Problem
Cause
Solution
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.
•
Ensure that the correct input
source is selected via the
Input
Source
menu.
•
Check the
Power Button LED
option under
Energy Settings
in
OSD Menu
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.
•
Run the built-in diagnostics.
•
Ensure that the correct input
source is selected via the
Input
Source
menu.
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:
http://
www.dell.com/support/monitors
.