User`s guide

To replace the system board, reverse the previous steps.
Real Time Clock Battery
To remove the real time clock battery, follow these steps:
1. Remove the display bezel (Figures 3-5 and 3-6).
2. Remove the CPU cover (Section 3.5).
3. Remove the keyboard (Section 3.6).
4. Remove the real time clock battery from the system board by inserting a
nonconductive probe into the battery holder and pushing back on the
battery to release it (Figure 3-52).