Toshiba Satellite L645 - Page 220

Chapter 4 Replacement Procedures
Satellite L640/L645, Satellite Pro L640/Pro L645 Maintenance Manual (960-Q08)
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Installing Speaker Box
The following describes the procedure for installing Speaker Box.
1. Installing the Speaker Box.
2. Securing Speaker Box of following screws.
 M2.03.0 screw x 4