5. Install the new base cover assembly in place
2
assembly
.
6. 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
Prerequisite
Before you start, read Appendix A "Important safety information" on page 61 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, do the following:
1. Disable the built-in battery. See "Disable Fast Startup and the built-in battery" on page 45.
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 46.
1
and tighten the screws to secure the base cover
.
Chapter 6
CRU replacement
47