Toshiba PORTEGE R500 Series User Manual page 55

Do not try to remove a memory module with the computer turned on.
You can damage the computer and the memory module.
Do not remove the memory module while the computer is in Standby
or Hibernation mode. The computer could hang up the next time you
turn it on and data in memory will be lost. In either of the above
cases, the Standby configuration will not be saved.
The following message appears when you turn on the power:
Warning: Resume Failure
Press Any Key to Continue
If the computer hangs up when you turn it on, perform the following:
Press the power button and hold it down for at least ten seconds,
then turn the power on again.
2 Pull the latches away from the memory module.
The memory module pops up slightly.
3 Gently lift the memory module to a 30-degree angle and slide it
out of the slot.
(Sample Illustration) Removing the memory module
Getting Started
Adding memory (optional)
Front of computer
55