Front I/O and power switch assembly
1.Prepare the computer for disassembly (Preparation for disassembly on page 36).
2.Remove the computer access panel (Access panel on page 37).
3.Remove the front bezel (Front bezel on page 38).
4.Remove the Torx T15 screw (1) that secures the assembly to the chassis, and then push the tab on the right side of the assembly (2) to disengage it from the chassis.
5.Remove the cables from the clips on the base pan.
Front I/O and power switch assembly 59