Acer X193 사용자 설명서 - 페이지 20

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TROUBLESHOOTING

Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can

self-diagnose the problem.

(VGA Mode)

Problems

Current Status

LED ON

LED OFF

No Picture

LED displays amber

color

Unstable Picture

Abnormal Picture Display is missing,

center shift, or too small

or too large in display

size

(DVI Mode)

Problems

Current Status

LED ON

LED OFF

No Picture

LED displays amber

color

Remedy

Using OSD, adjust brightness and contrast to maximum or

reset to their default settings.

Check the power switch.

Check if AC power cord is properly connected to the

monitor.

Check if video signal cable is properly connected at the

back of monitor.

Check if the power of computer system is ON.

Check if the specification of graphics adapter and monitor is

in compliance which may be causing the input signal

frequency mismatch.

Using OSD, adjust RESOLUTION, CLOCK,

CLOCK-PHASE, H-POSITION and VPOSITION with

non-standard signals.

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.