Norcent lm560 Mode D'Emploi

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Wrong or abnormal colors 
 If your monitor shows any abnormal or missing any colors (red, green, blue), 
please check the video cable and make sure it is securely connected. Loose 
or broken pins inside the cable connector could cause improper connection. 
 
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 You can also connect the monitor to another computer to verify if it is monitor
      problem or computer problem.