Acer S243HL manual Troubleshooting, VGA mode

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14

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

Problem

LED status

Remedy

No picture visible

Blue

Using the OSD, adjust brightness and

 

 

contrast to maximum or reset to their

 

 

default settings.

 

 

 

 

Off

Check the power switch.

 

 

Check if the power cord is properly

 

 

connected to the monitor.

 

 

 

 

Amber

Check if the video signal cable is

 

 

properly connected at the back of

 

 

monitor.

 

 

Check if the computer system is

 

 

switched on and in power saving/

 

 

standby mode.

 

 

 

Unstable picture

 

Check if the specification of graphics

 

 

adapter and monitor is in compliance

 

 

which may be causing the input signal

 

 

frequency mismatch.

 

 

 

Abnormal picture

Image is missing,

Using the OSD, adjust focus, clock, H-

 

off-center, too

position and V-position with non-

 

large or too

standard signals.

 

small on the

 

 

screen.

Check the display setting on your

 

 

system. In case of a missing image,

 

 

please select another resolution or

 

 

vertical refresh rate.

 

 

Wait for a few seconds after adjusting

 

 

the size of the image before changing

 

 

or disconnecting the signal cable or

 

 

switching off the monitor.

 

 

 

English

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Contents Acer LCD Monitor User GuidePage Cleaning your monitor Information for your safety and comfortSafety instructions Special notes on LCD monitorsSafe listening AccessibilityUsing electrical power Product servicing Disposal instructions Additional safety informationIT Equipment Recycling Information LCD pixel statement Tips and information for comfortable useDeveloping good work habits Declaration of Conformity Federal Communications Commission Declaration of Conformity Contents Troubleshooting Unpacking Attaching the base for selected models Power saving Screen position adjustmentConnecting the adapter and AC Power code Display Data Channel DDC Connector pin assignmentPin color display signal cable CEC 74.55 Standard timing table66.7 Installation StepsUsers controls Base controlsOperation instructions Features and benefitsAcer eColor Management Adjusting the OSD settings Adjusting the picture qualityAdjusting the OSD position Adjusting the setting Product information Troubleshooting VGA modeHdmi mode