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CHAPTER 4: INSTALLING AND REPLACING COMPONENTS
71
CAUTION: To avoid damaging the computer, perform the following steps before you
begin working inside the computer.
Ensure that the work surface is at and clean to prevent the computer cover from being 1.
scratched.
Turn o your computer (for more information, see “Turning O Your Computer” on 2.
page 69).
CAUTION: To disconnect a network cable, rst unplug the cable from your computer
and then unplug the cable from the network device.
Disconnect all telephone or network cables from the laptop. 3.
Press and eject any installed cards from the Media Card Reader. 4.
Disconnect your computer and all attached devices from their electrical outlets.5.
CAUTION: To help prevent damage to the system board, you must remove the battery
from the battery bay before you service the laptop.
Remove the battery from the battery bay (for more information, see “Replacing the 6.
Battery Pack” on page 72).
Press the power button to ground the system board.7.