Owners Manual

 Precision Compact
 Dell Precision 3240 Compact    
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 BIOS     
BIOS 
1.  
2. 
3. 
4. 
5.   
6. 
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  F2   Dell  BIOS 
7.  BIOS  System Configuration > Dust Filter Maintenance   15, 30, 60, 90, 120, 150  180 
:  
: 
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  
:      
6
22  Precision Compact