Toshiba Satellite R10 User Manual page 61

You need a standard Phillips no.1 screwdriver for this
procedure.
To avoid damaging the computer's screws, use a standard
Phillips no. 1 screwdriver that is in good condition.
If the computer is on, begin at step 1; otherwise, skip to step
3.
1 If the computer is on, click Start, Turn Off Computer.
The Turn off computer window appears.
2 Click Turn Off.
The operating system turns off the computer.
3 Unplug the computer.
4 Close the display panel and remove any cables you may
have connected to the computer, including the AC
adapter cord/cable.
Before you turn the computer over, make sure that the
computer display is properly closed and is not in tablet mode.
Setting the computer down on the display may cause damage
to the screen.
5 Turn the computer upside down, remove the battery, and
locate the expansion memory cover to the memory slot.
Getting Started
Installing a memory module
61