Sony VGN-Z790D - Manual (Page 138)

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Upgrading Your VAIO Computer >
Adding and Removing Memory
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 about an hour until the computer cools down.
4 Unscrew the screw (indicated by the arrow below) on the bottom of the computer and remove the memory module
compartment cover.
5 Touch a metal object to discharge static electricity.
6 Remove the currently installed memory module as follows:
❑ Pull the latches in the direction of the arrows (1).
The memory module is released.
❑ Make sure that the memory module tilts up and then pull it out in the direction of the arrow (2).