Prerequisite
Before you start, read Generic Safety and Compliance Notices and print the following instructions.
Note: Do not remove
the Bottom cover when your computer is connected to ac power. Otherwise,
there might be a risk of short circuits.
For access,
do the following:
Disable the built-in battery. See Disable Fast Startup and the built-in battery.
Turn off the computer and disconnect the computer from ac power and all connected cables.
Close the computer display and turn over the computer.
Removal procedure
Installation procedure
Troubleshooting
If the computer does not start up after you reinstall the Bottom cover, disconnect the ac power adapter and then reconnect it to the computer.