Sony VGC-RM1 - Manual (Page 95)

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Upgrading Your VAIO Computer
Removing and Installing a Memory Module
To change or add a memory module
1 Remove the top panel of the main unit.
See Removing and Replacing the Main Unit Top Panel
(page 87) for the detailed instructions.
2 Remove the two screws from the chassis brace (1) and take out the brace.
3 Touch a metal object (such as the chassis frame) to discharge static electricity.