Dell S3423DWC - Built-In Diagnostics

Troubleshooting │ 59
4.
Turn off your monitor and reconnect the video cable; and then turn on your
computer and the monitor.
If your monitor remains dark after you reconnect the cables, check your video
controller and computer.
Built-in diagnostics
Your monitor has a built-in diagnostic tool. It helps you determine if the screen
abnormality that you are experiencing is an inherent problem with your monitor, or
with your computer and video card.
1 52 3 4
To run the built-in diagnostics:
1. Ensure that the screen is clean (no dust particles on the surface of the
screen).
2.
Press the button (button three) to launch the OSD menu.
3.
Using the front-panel buttons, select Others > Self-Diagnostic to initiate
the self-diagnostic process.
Dell 34 Monitor
Display
Dell 34 Monitor
Input Source
Color
Menu
Audio
Menu
PersonalizePersonalize
Audio
PIP/PBP
USB Selection
Others
Brightness / Contrast
DDC/CI
Display Info
Reset Others
Factory Reset
LCD Conditioning
Service Tag
Self-Diagnostic
Firmware
O
On
00X000
ABCDEFG
4.
When initiated, a gray screen appears. Inspect the screen for abnormalities.
5. Press button 1 on the front-panel. The color of the screen changes to red.
Inspect the screen for abnormalities.