Evidence

٤  
      :
●       )  (
●     
●     )    (
●   )  (
       
              
 .      

      .
    )  (       
 .
 
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         . control panel )
 (      Control Panel ) (   Hardware and Sound
)  .( Devices and Printers ) (  Mouse ).(
:         )   (  
   .
:       .     
    / .        
              .   
           .   
        . 
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     
    .
    
        fn+f2.

  /         .
●                .
    .
       
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