NEC MultiSync P404PG User Manual page 66

Selected resolution is not displayed properly
• Use OSD Display Mode to enter Information menu and
confi rm that the appropriate resolution has been selected.
If not, select corresponding option.
No Sound
• Check to see if the audio cable is properly connected.
• Check to see if MUTE is activated. Use the remote control
to enable or disable the Mute function.
• Check to see if VOLUME is set to a minimum.
• Check to see if the computer supports an audio signal
through DisplayPort.
If unsure, contact your supplier.
• When LINE OUT is not functioning, check to see if
SURROUND is ON.
• Check the Internal/External speaker switch.
• If HDMI CEC audio device is not connected, please set
"AUDIO RECEIVER" to OFF.
The Remote Control is not functioning
• Check the batteries status of the Remote Control.
• Check if the batteries are inserted correctly.
• Check if the Remote Control is pointing at the remote
control sensor of the monitor.
• Check the status of IR LOCK SETTINGS.
• The remote control system may not function when direct
sunlight or strong illumination strikes the remote control
sensor of the monitor, or when there is an object in the
path.
The SCHEDULE/OFF TIMER function is not working
properly
• The "SCHEDULE" function will be disabled when the
"OFF TIMER" is set.
• If the "OFF TIMER" function is enabled and the power to
the LCD monitor is turned off when the power supply is
interrupted unexpectedly, then the "OFF TIMER" will be
reset.
Either light vertical or horizontal stripes may appear, depending on the specifi c image pattern. This is not a product fault or degradation.
Snowy Picture, Poor Sound in TV
• Check antenna/cable connection. Use new cable if
necessary.
The USB Hub does not operate
• Check to make sure that the USB cable is properly
connected. Refer to your USB device user's manual.
• Check if the USB upstream port on the monitor is
connected to the USB downstream port on the computer.
Please make sure the computer is ON or USB POWER is
ON.
• Disconnect one upstream USB cable when using
2 upstream connections.
Interference in TV
• Check components for shielding, move away from
monitor if necessary.
USB or RS-232C or LAN control is not available
• Check RS-232C (reverse type) or the LAN cable.
A category 5 or higher LAN cable is required for
connection.
• Check USB cable connected to USB2 port.
Check the EXTERNAL CONTROL is set to ENABLE then
PC SOURCE is set to EXTERNAL PC.
The monitor goes into standby automatically
• Please check "OFF TIMER" setting.
• Set the "CEC" function to OFF.
Media player function does not recognize the USB
storage device
• Please check a USB storage device is connected to the
USB MP.
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