Sony PCG-Z1 series User Manual

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Upgrading your VAIO computer
108
Removing and installing a memory module (Z1 series)
To change or add a memory module, proceed as follows:
1
Shut down your 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 at the bottom of your computer, next to the release lever of the battery pack.
 
5
Turn your computer around and lift the cover.
6
Introduce a sharp object (such as a fine screwdriver) between the keys indicated on the picture (1) and 
push gently upwards.