Removing and Installing System Components | 173 
 
 
Installing the Air Baffle  
CAUTION: Many repairs may only be done by a certified service technician. You 
should only perform troubleshooting and simple repairs as authorized in your 
product documentation, or as directed by the online or telephone service and 
support team. Damage due to servicing that is not authorized by Dell is not 
covered by your warranty. Read and follow the safety instructions that came with 
the product. 
1  Replace the air baffle into the system-board assembly. Make sure that 
the four latches are properly engaged with the heat sink bases and the 
latches click in place. See Figure 3-17.  
2  Replace the system-board assembly. See "Installing a System-Board 
Assembly" on page171 
NOTE: When installing the air baffle, make sure the arrow of the mark on the air 
baffle points to the processor 1, and keep the flat surface of the air baffle 
horizontal. 
Figure 3-17.   Installing the Air Baffle