Built-In Diagnostics - Dell UltraSharp 27 User Manual

NOTE: This dialog box also appears during normal operation, if the video
cable is disconnected or damaged.
4. Turn off your monitor and reconnect the video cable; then turn on both your
computer and the monitor.
If your monitor screen remains blank after you use the previous procedure, check your
video controller and computer, because your monitor is functioning properly.

Built-in diagnostics

Your monitor has a built-in diagnostic tool that helps you determine if the screen
abnormality you are experiencing is an inherent problem with your monitor, or with your
computer and video card.
To run the built-in diagnostics:
1. Ensure that the screen is clean (no dust particles on the surface of the screen).
2. Select OSD items of Self-Diagnostics in Others feature.
3. Press the Joystick button to start the diagnostics. A gray screen is displayed.
4. Observe if the screen has any defects or abnormalities.
5. Toggle the Joystick once again until a red screen is displayed.
6. Observe if the screen has any defects or abnormalities.
7. Repeat steps 5 and 6 until the screen displays green, blue, black, and white
colors. Note any abnormalities or defects.
The test is complete when a text screen is displayed. To exit, toggle the Joystick
control again.
If you do not detect any screen abnormalities upon using the built-in diagnostic tool,
the monitor is functioning properly. Check the video card and computer.
UltraSharp 27 Monitor
Brightness/Contrast Display Info
Input Source DDC/CI
Color LCD Conditioning
Display Firmware
PIP/PBP Service Tag
USB Self-Diagnostic
Menu
Reset Others
Factory Reset
Personalize
Others
Select
On
O
33T103
CN073K0
Select
ENERGY STAR ®
Exit
Troubleshooting | 91