3.
Align the tabs on the memory module compartment cover
(1)
with the notches on the computer,
close the cover
(2)
, and then tighten the memory module compartment cover screw
(3)
.
4.
Replace the battery.
5.
Reconnect AC power and external devices to the computer.
6.
Turn on the computer.
Replacing or upgrading the hard drive
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