4.17 System Board And Input/Output (I/O) Bracket
To remove the system board and input/output bracket, complete the
following steps:
1. If a new system board is to be installed, remove the memory expansion
board (Section 4.6).
2. Remove the hard drive (Section 4.12).
3. Remove the keyboard cover (Section 4.7).
4. If a new system board is to be installed, remove the processor board
(Section 4.13).
5. Disconnect the auxiliary battery (Section 4.8).
6. Remove the display assembly (Section 4.9).
7. Remove the keyboard (Section 4.10).