Toshiba Portege 3500 User Manual page 142

Optional Devices
To remove the memory module, make sure the computer is in boot mode
then:
1. Be sure the power is off and all cables are disconnected from the
computer.
2. Turn the computer upside down and remove the battery and one
screw securing the memory module cover.
3. Slide your fingernail or a thin object under the cover and lift it off.
4. Lift one side of the insulator and push the latches to the outside to
release the module. A spring will force one end of the module up.
5. Pinch the module by the sides and pull it out.
If you use the computer for a long time, the memory modules will become
hot. In this case, let the memory modules cool to room temperature
before you replace them.
Do not touch the connectors on the memory module or on the computer.
Debris on the connectors may cause memory access problems.
6. Set the cover and secure it with one screw and replace the battery
pack.
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Removing the memory module
Portégé 3500