Eizo Nanao Corporation EX190W 用户手册

Before sending your LCD monitor for servicing, please check the troubleshooting 

list below to see if you can self-diagnose the problem.

No Picture

LED ON

·  Using OSD, adjust brightness and 

contrast to maximum or reset to their 

default settings.

LED OFF

·  Check the Locker switch and Power 

switch.

·  Check if AC power cord is properly 

connected to the AC adapter.

LED Blinking

·  Check if video signal cable is properly 

connected at the back of monitor.

·  Check if the power to computer system 

is ON.

Abnormal Picture

 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, center shift, 

or too small or too large in 

display size

·  Using Auto Setup button, if still display 

abnormal picture then adjust  CLOCK, 

CLOCK-PHASE, H-POSITION and V-

POSITION with non-standard signals.

·  Using OSD, in case of missing full-screen 

image, please select other resolution in 

your Operating System (Windows 95/98, 

NT) or other vertical refresh timing.

·  Must wait for a few seconds after 

adjusting the size of the image before 

changing or disconnecting the signal or 

powering OFF the monitor.

26    User’s Guide