BenQ MK2442 manual Troubleshooting, Symptoms Possible causes

Troubleshooting

There are many external influences and circumstances beyond the control of BenQ which may be causing problems with your display. Some of the more common and user fixable problems are listed below for your information.

Please check the following list before calling your nearest BenQ Customer Service Center, and attempt the following steps to diagnose and fix the problem yourself:

Symptoms	Possible causes
The display does not	• Check that the power plug is securely inserted into both the AC-IN
turn ON	socket on the display and the wall outlet, and that the wall outlet is
	switched on (if switched).
	• Check that power is available from the power outlet by trying
	another known working appliance (e.g. desk lamp) from that same
	power outlet.
There is no picture or	• Check that the display is turned on (The power indicator should be
sound	blue).
	• Try a different input source to confirm if the symptom is still
	present or whether the source is at fault.
	• Check for mis-connection of cables for that input.
	• Adjust the volume control to check that isn't turned down.
	• Make sure that the Speaker Out option in the Audio menu is not
	set to Off.
Improper screen	• Try selecting a different aspect ratio.
position or size	• Try a different input source to confirm if the symptom is still
	present or whether the source is at fault.
The image appears	• Ensure the display's aspect ratio is correctly set to suit the image
distorted	source.
	• Try a different input source to confirm if the symptom is still
	present or whether the source is at fault.
"Not supported"	The PC VGA output signal resolution is set too high. 1920 × 1080 @
appears	60Hz is the highest acceptable PC timing.

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