NEC PA241W user manual No Video, Self Diagnosis, USB Hub does not operate, English-28

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.

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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