Dell P2723D 27" 1440p Monitor - Manual (Page 64)

64 │ Troubleshooting
5. 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 any screen
abnormality you experience 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. Press the Joystick buttton to launch the OSD Menu Launcher and move the
Joystick up to select “ ” to open Main Menu.
Modes
3. Move the Joystick to select Others > Self-Diagnostic to initiate the self-
diagnostic process.
Brightness/Contrast
Input Source
2X Monitor
Color
Display
Menu
Personalize
Others
Exit
Display Info
DDC/CI
LCD Conditioning
Firmware
Service Tag
Self-Diagnostic
Reset Others
Factory Reset
Select