Troubleshooting and maintenance guide

 
            

 .  
  .
  
  
  
   

  
         
  .
  
  "
 "
 "BIOS " 
  
 
  
   
        


       

     .   
         
.
  
  
 

  
   Windows     
   .
       

  .
    Windows
  Microsoft     Windows.
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   