142  |   Installing System Components 
 
 
Installing a System-Board Blank 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  Slide the system-board blank tray into the chassis until it snaps into 
place. See Figure 3-8. 
2  Replace the screw that secures the retaining latch. See Figure 3-8. 
Removing a System-Board Assembly 
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. 
NOTE: The illustration in this section shows a system with 1U node as an example. 
1  It is recommended to turn off the system board by pressing the power 
button on the back panel, and any attached peripherals. 
2  Disconnect all the external cables from the system board. 
3  Remove the screw that secures the retaining latch. See Figure 3-9. 
4  Press the retaining latch and using the handle, slide the system-board 
assembly out of the chassis. See Figure 3-9.