Acer al200 user manual Troubleshooting, Problems, Current Status, Remedy, AL2002W

AL2002W

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	∙ Using OSD, adjust brightness and contrast to
			maximum or reset to their default settings.
	LED OFF	∙	Check the power switch.
No		∙	Check if AC power cord is properly connected
Picture			to the monitor.
	LED displays	∙	Check if video signal cable is properly
	amber color		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 RESOLUTION, CLOCK,
	center shift, or too		CLOCK-PHASE, H-POSITION and V-
Abnormal	small or too large		POSITION with non-standard signals.
Picture	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.

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