Dell U2723QE Monitor Simplified Service Manual - Page 16

Built-in diagnostics

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6. Trouble Shooting Instructions 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. UltraSharp 30/27/32 Monitor Brightness/Contrast Input Source Color Display PIP/PBP USB Menu Personalize Others Display Info DDC/CI LCD Conditioning Firmware Service Tag Self-Diagnostics Reset Others Factory Reset Select On O M3T101 CN073K0 Select ENERGY STAR® Exit 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.

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6
. Trouble Shooting Instructions
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.
Exit
Others
Menu
Display Info
Reset Others
Factory Reset
Firmware
M3T101
Service Tag
CN073K0
DDC/CI
On
LCD Conditioning
Off
ENERGY STAR
®
UltraSharp 30
/27/32
Monitor
Select
Self-Diagnostics
Select
Input Source
Display
Color
Brightness/Contrast
PIP/PBP
Personalize
USB
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.