Service Manual

6.  USB  One Time Boot Menu ()
7.  
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 BIOS   (Enter)
8.  BIOS Update Utility ( BIOS)     BIOS 
   USB
 USB     USB  
  USB   
1.  
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
2.  F2   Dell  
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 BIOS 
:  F2         F2   F2  F2 
      

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 BIOS  
3.    Settings > System Configuration > USB Configuration 
USB configuration    
4.  Enable Boot Support 
5.  

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 (ePSA)

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 ePSA ( 
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) ePSA   BIOS  BIOS     
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 
•  
• 
•   
•  
•  
•  
:   
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
  Dell EPSA Diagnostic 3.0

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 ePSA
1. 
2.   F12  Dell  
3.   Diagnostics(
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) 
4.  
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

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 
5.  
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   
 
6. 
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  Yes(/) 
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
7.    Run Tests()
8.    
   

 Dell 
System diagnostic lights
Power and battery-status light
Indicates the power and battery-charge status.
Solid white—Power adapter is connected and the battery has more than 5 percent charge.
Solid amber—Computer is running on battery and the battery has less than 5 percent charge.
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