Toshiba Satellite L755-S5153 User Guide - Page 59

Getting Started 59 Adding memory (optional) 18 Restart the computer. 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 extra memory after setting up the computer, verify that the computer has recognized it correctly as described in "Checking total memory" on page 62. Removing a memory module If you need to remove a memory module: 1 Complete steps 1-8 in "Installing a memory module" on page 52 to shut down the computer and open the memory module slot cover. 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 Sleep 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 Sleep configuration will not be saved.