Toshiba EQUIUM M40 Maintenance Manual page 147

4.1 General
4. Spread out the two memories lock stoppers so that the memory module can be raised.
5. Pull the memory module up and out at an angle, using care to the connectors.
EQUIUM M40/M45 / Satellite M40/M45 Maintenance Manual
Figure 4-5 Removing the optional memory
4 Replacement Procedures
4-13