Acer X263W Operations Instructions download pdf (Page 21)

X263W

EN-

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 Remedy

LED ON

y Using OSD, adjust brightness and contrast to maximum or

reset to their default settings.

y Check the power switch.

LED OFF

y Check if AC power cord is properly connected to the

monitor.

y Check if video signal cable is properly connected at the

back of monitor.

No Picture

LED displays amber

color

y Check if the power of computer system is ON.

Unstable Picture

y Check if the specification of graphics adapter and monitor is

in compliance which may be causing the input signal

frequency mismatch.

y Using OSD, adjust RESOLUTION, CLOCK,

CLOCK-PHASE, H-POSITION and VPOSITION with

non-standard signals.

y Using OSD, in case of missing full-screen image, please

select other resolution or other vertical refresh timing.

Abnormal Picture

Display is missing,

center shift, or too small

or too large in display

size

y Wait for a few seconds after adjusting the size of the image

before changing or disconnecting the signal cable or

powering OFF the monitor.

(DVI Mode)