For access, remove:
- Battery pack
- Hard disk drive (HDD) door
- Hard disk drive (HDD)
- Palm rest assembly
- PCI Express Mini Card for wireless LAN
- Bluetooth daughter card and Bluetooth cable
- Keyboard bezel
- Fan assembly
Following components soldered on the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling.
[a] SSD (Solid State Drive)
[b] ICH (I/O Controller Hub)
[c] On-board 512 MB memory
[e] MCH (Memory Controller Hub)
[f] SSD controller
DANGER: Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode.
Removal steps of backup battery
When installing: Make sure that the battery connector is attached firmly.