Acer AL1516W manual Troubleshooting, Problems Current Status Remedy, LED on, Led Off, EN-13

AL1516W

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.

EN-13