great works fine, got the manual on mail within a day
Text excerpt from page 62 (click to view)
8224 N/B Maintenance
4. Slightly lift up the keyboard, then disconnect the cable from the system board, then separate the keyboard. (Figure 2-4)
Reassembly
1. Reconnect the keyboard cable and fit the keyboard back into place. 2. Replace the keyboard cover and secure with nine screws. 3. Replace the battery pack. (Refer to section 2.3.1 Reassembly)
t ent e cr m Se cu c Do al iT ia M nt e d fi n o C
Figure 2-4 Lift the keyboard