Toshiba Satellite U405-S2830 User Manual - Page 58

58 Getting Started Adding memory (optional) 4 Replace the memory module slot cover and secure it using the screws. 5 Re-insert the main battery. For more information on inserting the main battery, see "Inserting a charged battery" on page 108. 6 Turn the computer right side up. 7 Reconnect the cables. 8 Restart the computer. TECHNICAL NOTE: You must have at least one memory module installed for the computer to work. Checking total memory When you add or remove a memory module, you can check that the computer has recognized the change. To do this: 1 Click Start, Control Panel, and then System. The System window appears. 2 The total memory is displayed below the System heading under Memory (RAM). If the computer does not recognize the memory configuration, turn off the computer and remove the memory module slot cover (complete steps 1-8 in "Installing a memory module" on page 51), and then check that the module is inserted completely into the socket and lined up squarely with the socket latches. NOTE From time to time, Windows® will display a pop-up that says, "Windows® needs your permission to continue." This is a security feature to prevent programs or people from doing things on your computer without your permission. If you were trying to perform the action, click Continue; otherwise, click Cancel. If unsure, cancel and try again.