16. Remove the system board screws (callout 1), and then remove the system board (callout 2).
Installing the system boardInstalling the system board
PrerequisitesPrerequisites
Before you perform this procedure, make sure that you have the following items available:
T-15 Torx screwdriver
1.0 gm (0.5 ml) or two 0.5 gm (0.25 ml) of thermal grease