Sony Vaio PCG-GRX315MP Instruction & Operation Manual page 98

Precautions
Removing a memory module*
To remove 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 Turn your computer upside down.
5 Open the cover on the bottom by unscrewing the screw (turn counter clockwise).
6 To remove the memory module, pull the tabs in the direction of the arrows 1.
The memory module is released.
7 Pull the memory module in the direction of arrow 2.
8 Close the cover.
9 Gently tighten the screw.
* Not possible on PCG-GRX316SP.
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