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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 57 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 the computer over.
4. Remove the base cover assembly. See "Base cover assembly" on page 38.
5. Open the latches on both sides of the memory module slot at the same time
2
memory module
.
Note: A Mylar film might cover the memory module. To access the memory module, peel off the film
first.
1
, and then remove the
.
Chapter 6
CRU replacement
41
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