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Replacing a memory module
Attention:
Do not remove the computer cover or attempt any repair before reading the “Important
safety information” in the Quick Reference that was included with your computer or in the
Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Quick
Reference or HMM, go to the Support Web site at http://www.lenovo.com/think/support.
To replace a memory module:
1. Remove the computer cover. See “Removing the computer cover” on page 5.
Note: For this procedure, it helps to lay the computer on its side.
2. Locate the memory module connectors. See “Locating components” on page 1.
3. Remove the memory module being replaced by opening the retaining clips as
shown.
4. Position the new memory module over the memory connector. Make sure the
notch 1 on the memory aligns correctly with the connector key 2 on the
system board. Push the memory module straight down into the connector until
the retaining clips close.
5. Go to “Completing the installation” on page 29.
Chapter 2. Replacing hardware 19