3.Install:
a.system board
b.sim board
c.WWAN card
d.WLAN card
e.GPS module
f.ExpressCard
g.heatsink
h.GPU module
i.Memory module
j.optical drive
k.docking board
l.bottom cover
m.keyboard
n.hard drive
o.battery
4.Follow the procedures in After Working Inside Your computer .
Removing the Speaker
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove:
a.battery
b.hard drive
c.keyboard
d.bottom cover
e.docking board
f.optical drive
g.memory module
h.GPU module
i.heatsink
j.ExpressCard
k.GPS module
l.WLAN card
m.WWAN card
n.SIM board
o.system board
44