Sony VGN-NR430E - Manual (Page 93)

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Upgrading Your VAIO Computer
Removing and Installing a Memory Module
To change or add a memory module
1 Shut down the computer and disconnect all peripheral devices.
2 Unplug the computer and remove the battery pack.
3 Wait until the computer cools down.
4 Unscrew the screw (1) on the bottom of the computer, hook your fingertip under the tab (2), and lift the memory module
compartment cover in the direction of the arrow to remove it from the computer.
5 Touch a metal object to discharge static electricity.