Lenovo ThinkPad X61 7673 User Manual page 47

To make sure that the SO-DIMM is installed correctly, do as follows:
1. Turn the computer on.
2. While the "To interrupt normal startup, press the blue ThinkVantage
button" message is displayed at the lower left of the screen, press the
ThinkVantage button. The Rescue and Recovery screen opens.
3. Click Access BIOS. The System Restart Required window is displayed.
4. Click Yes. The computer restarts, and the BIOS Setup Utility screen opens.
The "Installed memory" item shows the total amount of memory installed
in your computer.
Chapter 5. Upgrading and replacing devices
Replacing memory
37