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Troubleshooting - NEC MultiSync E224Wi User Manual

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Troubleshooting

No picture
The signal cable should be completely connected to the display card/computer.
The display card should be completely seated in its slot.
The monitor does not support DisplayPort converter signal.
Check front power Switch and computer power switch should be in the ON position.
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.)
Check the monitor and your display card with respect to compatibility and recommended settings.
Check the signal cable connector for bent or pushed-in pins.
Check the signal input.
Power Button does not respond
Unplug the power cord of the monitor from the AC outlet to turn off and reset the monitor.
Image persistence
Image persistence is when a "ghost" of an image remains on the screen even after the monitor has been turned off.
Unlike CRT monitors, LCD monitors' image persistence is not permanent, but constant images being displayed for a long
period of time should be avoided.
To alleviate image persistence, turn the monitor off for as long as an image was displayed. For example, if an image was
on the monitor for one hour and a residual image remains, the monitor should be turned off for one hour to erase the
image.
NOTE:
As with all personal display devices, NEC DISPLAY SOLUTIONS recommends using a screen saver at regular
intervals whenever the screen is idle or turning off the monitor when not in use.
Message "OUT OF RANGE" is displayed (screen is either blank or shows rough images only)
Image is displayed only roughly (pixels are missing) and OSD warning "OUT OF RANGE" is displayed: Either signal
clock or resolution is too high. Choose one of the supported modes.
OSD warning "OUT OF RANGE" is displayed on a blank screen: Signal frequency is out of range. Choose one of the
supported modes.
Image is unstable, unfocused or swimming is apparent
Signal cable should be completely attached to the computer.
Use the OSD Image Adjust controls to focus and adjust display by increasing or decreasing the fi ne total. When the
display mode is changed, the OSD Image Adjust settings may need to be re-adjusted.
Check the monitor and your display card with respect to compatibility and recommended signal timings.
If your text is garbled, change the video mode to non-interlace and use 60 Hz refresh rate.
Picture is not as bright
Make sure ECO MODE is turned off.
LED on monitor is not lit (no blue or amber color can be seen)
Power Switch should be in the ON position and power cord should be connected.
Display image is not sized properly
Use the OSD Image Adjust controls to increase or decrease the H.SIZE.
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.
No Sound (E243WMi)
Check to see if speaker cable is properly connected.
Check to see if mute is activated.
Check to see if volume in OSD is set at minimum.
Check selected OSD's Tools to "SOUND INPUT", when DisplayPort is in use.
Brightness variations over time
Change DV MODE to OFF and adjust brightness.
NOTE:
When DV MODE 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.
English-19

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