Windows 8.1 - User's Guide

١.             Settings ).(
٢.   Screen ) (   .       
    

 
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     .      
  
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.           .
    
  :
١.             Settings ).(
٢.   Screen ) (   .       .
:    Windows  
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    Power Meter )  (
          Adjust screen brightness )  (
     Screen brightness )  ( .
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 ٢   