Windows 7 - Manual

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:           .
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  :       .
   fn+f4   .
:        "Extend) "  (  
      . Start ) (< Control Panel )  (<
Appearance and Personalization )    .( Display ) ( 
Adjust screen resolution )  .(
 DisplayPort  
  Dual-Mode               
 .          VGA    
.
:        DisplayPort     
DisplayPort   )   .(
:   Dual-Mode   DisplayPort    . 
       Dual-Mode   .
       Dual-Mode:
١.     Dual-Mode  DisplayPort    .
٢.       .
٣.  fn+f4        :
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  :       .
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:             .
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:           .
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  :       .
   fn+f4   .
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 ٥  