Sony VGC-RT100Y - Manual (Page 138)

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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, turn off all peripheral devices, and disconnect peripheral devices from the ports and jacks on
the left and right of the computer.
2 Remove the back panel cover from the computer.
See Removing and Replacing the Back Panel Cover
(page 21) for the procedure.
3 Disconnect the power cord and the peripheral devices from the back of the computer.
4 Wait about an hour until the computer cools down.
5 Unscrew the screw (1) and remove the memory module compartment cover (2).
6 Touch a metal object to discharge static electricity.