Sony PCG-F640 - Manual (Page 57)

Using the Weight Saver
57
To remove the Weight Saver
1 There is a release lever on the bottom of the weight saver. To remove the
weight saver, slide this lever in the direction of arrow 1, then slide the
Release lever on the bottom of the computer in the direction of arrow 2.
2 After removing the weight saver, pull out the weight saver’s hinged arm and
fold it into the weight saver.
Multipurpose bay release levers
Arrow 1: Weight saver Release lever
Arrow 2: Release lever