Evidence

  
              .
    :
▲ control panel )  (       Control Panel )
(  Hardware and Sound ) (   Sound ).(
- -
     Start )(   Control Panel ) (  Hardware and Sound
) (   Sound ).(
       Bang & Olufsen  DTS  Beats audio    . 
                
  .
         .
▲ control panel )  (       Control Panel )
(  Hardware and Sound ) (        
.
- -
     Start )(   Control Panel ) (  Hardware and Sound
) (         .
 
                 
            .
          )     
  (       .
:             .
    .
         HP Support Assistant.
     VGA )      
) (  (
:   VGA          VGA  
  .
           VGA    
       VGA  .
١.   VGA             
         .
 
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