Acer ET.DG5HP.006 manual Troubleshooting, EN-19

TROUBLESHOOTING

Before sending your LCD monitor for servicing, please check the trouble- shooting list below to see if you can self-diagnose the problem.

(VGA Mode)

Problems	Current Status	Remedy
No Picture	LED ON	 Using OSD, adjust brightness and
		contrast to maximum or reset to
		their default settings.
	LED OFF	 Check the power switch.
		 Check if AC power cord is properly
		connected to the monitor.
	LED displays amber color	 Check if video signal cable is
		properly connected at the back of
		monitor.
		 Check if the power of computer
		system is ON.
Abnormal	Unstable Picture	 Check if the specification of graphics
		adapter and monitor is in
Picture
		compliance which may be causing
		the input signal frequency
		mismatch.
	Display is missing, center	 Using OSD, adjust RESOLUTION,
		CLOCK, CLOCK-PHASE, H-POSITION
	shift, or too small or too
	large in display size	and V-POSITION 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.
Abnormal	No sound, or sound level	 Check the audio cable with the host
Sound	is too low	PC is connected.
(Only Audio-		 Check if the volume setup of the
Input model)		host PC is in minimum position and
(Optional)		try to raise the volume level.

EN-19