Sony Vaio VGN-FS640 RAM Cover Replacement

Lay the closed laptop on its screen so the bottom is facing towards you.

Push both latches towards the center of the battery.

Revome the battery by pushing it away from the laptop.

Set the battery away from the laptop.

With the bottom of the laptop facing up, locate the RAM cover.

The RAM is covered by the panel with four columns of vents.

Locate the screw (Length: 4.8 mm) holding down the panel, which is near the edge of the laptop. Unscrew it with your phillips #0 screwdriver.

Use your fingers to slide the cover away from the laptop. (It will only slide a few millimeters)

Once the panel is out of its locked position, it can be lifted out without any resistance.