Users Manual Part 2

5. Install the new base cover assembly in place 1 . Ensure that the latches of the base cover assembly are
secured under the base cover assembly
2 . Then, tighten the screws to secure the base cover assembly
3 .
6. Reinstall the base cover assembly.
7. Turn over the computer. Connect the ac power adapter and all disconnected cables to the computer.
Troubleshooting
If the computer does not start up after you reinstall the base cover assembly, disconnect the ac power
adapter and then reconnect it to the computer.
Memory module (for selected models)
Prerequisite
Before you start, read Appendix A “Important safety information” on page 51 and print the following
instructions.
Attention: Do not touch the contact edge of the memory module. Otherwise, the memory module might get
damaged.
Replacement procedure
To replace a memory module:
1. Disable the built-in battery. See “Disable Fast Startup and the built-in battery” on page 37.
2. Turn off the computer and disconnect the computer from ac power and all connected cables.
3. Close the computer display and turn over the computer.
4. Remove the base cover assembly. See “Base cover assembly” on page 38.
Chapter 6. CRU replacement 39