Toshiba Satellite M45 User Manual page 59

Sample inserting the memory module into the slot
The clips on either side of the memory module will click to
secure the memory module.
Avoid touching the connectors on the memory module or on
the computer. Grease or dust on the connectors may cause
memory access problems.
12 Replace the memory module slot cover and screw.
13 Turn the computer over and restart it.
TECHNICAL NOTE: You must have at least one memory
module installed for the computer to work.
You can now continue setting up the computer. When the
operating system has loaded, you can verify that the
computer has recognized the additional memory module.
If you are adding an extra memory module after setting up the
computer, verify that the computer has recognized it correctly
as described in "Checking total memory" on page
Getting Started
Adding memory
59
61.