Follow the procedures in Before Working Inside Your Computer:
Ensure that you follow the Safety Instruction.
Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
Turn off your computer.
Disconnect all network cables from the computer.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
Disconnect your computer and all attached devices from their electrical outlets.
Press and hold the power button while the computer is unplugged to ground the system board.
Remove:
base cover
battery
Removing the Hard Drive:
Lift the hard drive assembly in an upward direction to release it from its compartment on the computer.
Lift and remove the hard drive from the computer.
Installing the Hard Drive
Place the hard drive assembly into its slot on the computer.
Install:
battery
base cover
Follow the procedures in After Working Inside Your Computer:
Connect any telephone or network cables to your computer.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
Connect your computer and all attached devices to their electrical outlets.
Turn on your computer.
If required, verify that the computer works correctly by running ePSA diagnostics.
