Sony Vajo VGC-LT20 Series User Manual page 117

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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 accessible ports and
jacks.
2 Remove the back panel cover from the computer.
See Removing and Replacing the Back Panel Cover (page 20) for the procedure.
3 Disconnect the AC adapter and the rest of the peripheral devices.
4 Wait until the computer cools down.
S Unscrew the screw (1) and remove the memory module compartment cover (2).
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6 Touch a metal object to discharge static electricity.