Introduction
Tools
- 
                  
                  - 
            Turn the system badge flap over (1) and then remove the ten M2x3 screws that secure the base cover to the computer (2). 
- 
            Pry the edges of the base cover and lift it to remove it from the computer. 
 
- 
            
                            
                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.
Dell official maintenance guide is available at: https://dl.dell.com/topicspdf/precision-...
The base base cover removal is documented in section 'Disassembly and reassembly'.
Raphaël Bleuse -