Before you begin:
Remove the rubber feet, the top cover, the small fan,
and the main wireless LAN antenna bracket assembly.
Removal
Disconnect the two external battery cables connectors from the motherboard.
Disconnect the DC-IN power cable from the motherboard.
Remove the two external battery cables from the cable guides on top of the battery.
Remove the DC-IN power cable from the cable guides on top of the battery.
Remove the motherboard battery from the top of the battery and set it aside.
Remove the five P1 Philips-head screws that secure the battery to the unit.
NOTE:
One of the screws secures the green grounding cable to the small metal bracket.
Remove the green grounding cable from the cable guides on top of the battery.
Remove the small metal bracket at the front of the battery.
Pull the battery straight up and out of the unit.
Replacement
The battery has several slots on the bottom rear edge that slide over pins on its motherboard header.
Align the battery over the motherboard and press the slots straight down over the pins.
There are two small holes on the small metal bracket that fit over alignment pins on the battery.
Align the holes on the small metal bracket over their alignment pins on the battery and place it in position.
Route the green grounding cable through the cable guides on top of the battery.
Secure the battery and the bracket to the unit with the five P1 Philips-head screws.
NOTE:
One of the screws secures the green grounding cable to the small metal bracket.
Place the motherboard battery in location on top of the battery.
Route the DC-IN cable through the cable guides on the battery.
Route the external battery cables through the cable guides on the battery.
Connect the two external battery cables connectors to the motherboard.
Connect the DC-IN power cable to the motherboard.