Acer ET.WS0HP.A01, S220HQL manual Troubleshooting, VGA Mode, Problem LED status Remedy

Page 26

English

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 menu, 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.

 

 

 

 

Blinking Blue

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

Blue

Check if the specification of graphics adapter

 

 

and monitor is in compliance which may be

 

 

causing the input signal frequency mismatch.

 

 

 

Abnormal picture

Blue

Using the OSD menu, adjust focus, clock,

(Image is missing,

 

H-position and V-position with non-standard

off-center, too large

 

signals.

or too small on the

 

Check the display setting on your system. In

screen.)

 

 

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.

 

 

 

14

Image 26
Contents Acer LCD Monitor English 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 Potentially explosive environmentsFinding your comfort zone LCD pixel statementTips and information for comfortable use Taking care of your vision Developing good work habitsDeclaration 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 cord Mode LED lightDisplay Data Channel DDC Connector pin assignmentPin color display signal cable PIN No DescriptionCEC Mode Resolution Refresh Rate Standard timing tableInstallation StepsUsers controls Panel controlsOperation instructions Using the Shortcut MenuAcer eColor Management Icon DescriptionIcon Mode type Description Using the OSD MenusFeatures and benefits Picture Menu Picture menuSetting Menu OSD MenuInformation Setting menuInformation Menu Problem LED status Remedy TroubleshootingVGA Mode DVI/HDMI mode Optional
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