BenQ MK2442 - Troubleshooting; Display Issues and Possible Causes; Image Distortion and Unsupported Signals

English
Reference 47
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
turn ON
•CheckthatthepowerplugissecurelyinsertedintoboththeAC-IN
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
sound
•Checkthatthedisplayisturnedon(Thepowerindicatorshouldbe
blue).
•Tryadifferentinputsourcetoconrm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
position or size
•Tryselectingadifferentaspectratio.
•Tryadifferentinputsourcetoconrmifthesymptomisstill
present or whether the source is at fault.
The image appears
distorted
•Ensurethedisplay'saspectratioiscorrectlysettosuittheimage
source.
•Tryadifferentinputsourcetoconrmifthesymptomisstill
present or whether the source is at fault.
"Notsupported"
appears
The PC VGA output signal resolution is set too high. 1920 × 1080 @
60Hz is the highest acceptable PC timing.