Windows 8.1 - Manual

٢.           .
٣.  f4        :
●  :       .
●:             .
●:           .
●  :       .
           f4.
:        Extend )(    
     .  Start )(  control panel ) ( 
 Control Panel )  .( Appearance and Personalization )  
 .( Display ) (  Adjust screen resolution )  .(
  HDMI
HDMI           .   HDMI 
    HDMI     :
١.   Windows      Speakers )  (  
       Playback devices ) .(
٢.   Playback ) (    .
٣.  Set Default ) (    OK ).(
      :
١.   Windows      Speakers )  (  
        Playback devices ) .(
٢.   Playback )(   Speakers ) .(
٣.  Set Default ) (    OK ).(
 
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