162  |   Installing System Components 
 
 
System-Board Assembly 
Removing a Dummy System-Board Tray 
 
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  Remove the screw that secures the retaining latch. See Figure 3-8. 
2  Press the retaining latch and slide the dummy system-board tray out of 
the chassis. See Figure 3-8. 
Figure 3-8.   Removing and Installing a Dummy System-Board Tray