NEC LCD1700NX-BK-R MultiSync LCD1700NX User's Manual - Page 15

Troubleshooting

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MultiSync LCD1700NX 13 TROUBLESHOOTING Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem. Problems No Picture Abnormal Picture Current Status Remedy LED ON • Using OSD, adjust brightness and contrast to maximum or reset to their default settings. • Check the signal input, "DVI" or "D-SUB". LED OFF • Check the power switch. • Check if AC power cord is properly connected to the AC adapter. LED displays amber color • Check if video signal cable is properly connected at the back of monitor. • Check if the power of computer system is ON. Unstable Picture • Check if the specification of graphics adapter and monitor is in compliance which may be causing the input signal frequency mismatch. Display is missing, • Using OSD, adjust EXPANSION, H.SIZE, center shift, or too FINE, LEFT/RIGHT and UP/DOWN with small or too large non-standard signals. in display size • Using OSD, in case of missing full-screen image, please select other resolution or other vertical refresh timing. • Wait for a few seconds after adjusting the size of the image before changing or disconnecting the signal cable or powering OFF the monitor. LCD1700NX(English).PM6 15 02.2.12, 3:50 PM

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MultiSync LCD1700NX
TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the troubleshooting list
below to see if you can self-diagnose the problem.
13
Problems
Current Status
Remedy
No Picture
LED ON
•
Using OSD, adjust brightness and contrast to
maximum or reset to their default settings.
•
Check the signal input, “DVI” or “D-SUB”.
LED OFF
•
Check the power switch.
•
Check if AC power cord is properly connected
to the AC adapter.
LED displays
•
Check if video signal cable is properly connected
amber color
at the back of monitor.
•
Check if the power of computer system is ON.
Abnormal
Unstable Picture
•
Check if the specification of graphics adapter
Picture
and monitor is in compliance which may be
causing the input signal frequency mismatch.
Display is missing,
•
Using OSD, adjust EXPANSION, H.SIZE,
center shift, or too
FINE, LEFT/RIGHT and UP/DOWN with
small or too large
non-standard signals.
in display size
•
Using OSD, in case of missing full-screen image,
please select other resolution or other vertical
refresh timing.
•
Wait for a few seconds after adjusting the size
of the image before changing or disconnecting
the signal cable or powering OFF the monitor.
LCD1700NX(English).PM6
02.2.12, 3:50 PM
15