Product-Specific Problems - Dell E2422Ht User Manual

Product-specific problems

Specific symptoms
Screen image is too small
Cannot adjust the monitor
with the buttons on the
bottom of the panel
No input signal when user
controls are pressed
The picture does not fill the
entire screen
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64 Troubleshooting
• Check the Aspect Ratio setting in the Display settings OSD.
• Reset the monitor to Factory Settings (Factory Reset).
• Turn off the monitor, unplug the power cord, plug it back, and then turn on
the monitor.
• Check if the OSD menu is locked. If yes, press and hold the Exit button
(button 4) for four seconds to unlock.
• Check the signal source. Ensure that the computer is not in standby or
sleep mode by moving the mouse or pressing any key on the keyboard.
• Check if the video cable is plugged in properly. Disconnect and reconnect
the video cable if necessary.
• Reset the computer or video player.
• Due to different video formats (aspect ratio) of DVDs, the monitor may
display in full screen.
• Run the built-in diagnostics.
Possible solutions