Sony PCG-GRX690P Primary User Manual page 174

VAIO Computer Quick Start
To avoid damaging the computer, do not remove or loosen any other screws.
Removing the Bottom Screws
5 Touch a metal object (such as the connector panel on the back of your
computer) to discharge static electricity.
6 Remove the memory module by pulling out the tabs (see arrows No. 1), and
pulling out the module in the direction of arrow No. 2. See "To install a
memory module" for more information.
Removing a Memory Module
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