NEC MultiSync PA231W User Manual page 34

Display image is not sized properly
• Use the OSD Image Adjust controls to increase or decrease the Coarse adjustment.
• Check to make sure that a supported mode has been selected on the display card or system being used.
(Please consult display card or system manual to change graphics mode.)
No Video
• If no video is present on the screen, turn the Power button off and on again.
• Make certain the computer is not in a power-saving mode (touch the keyboard or mouse).
• Some video cards do not output video signal when monitor is turned OFF/ON or disconnect/connect from the AC power
cord under low resolution with DisplayPort.
• If no video is present on the screen, check the status of the EDID EXTENSION in the User menu (see page 12), the
setting may need to be changed to allow HDCP content to be displayed.
Brightness variations over time
• Change Auto Brightness to OFF and adjust brightness.
NOTE: When Auto Brightness is set to ON, the monitor automatically adjusts brightness based on the environment.
When the brightness of surrounding environment changes, the monitor will also change.
Self Diagnosis
• The LCD display is equipped with the ability to self diagnose abnormalities. When the LCD detects a problem, the LED
on the front fl ashes in a pattern of long and short blinks, depending on the type of problem detected.
• If the LED signals a problem, please refer service to qualifi ed personnel.
USB Hub does not operate
• Check to make sure the USB cord is properly connected. Refer to your USB devise User's Manual.
• Make sure correct upstream is selected on USB hub setting (see page 12).
• Disconnect one upstream USB cable when using 2 upstream.
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