Sony VAIO VGN-S600 Series User Manual page 98

To change or add a memory module to the memory module underneath the keyboard
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 two screws on the bottom of the computer.
5 Slide up the latches in the battery compartment to unlock the keyboard.
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Upgrading Your VAIO Computer
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