Lenovo B50-45 Notebook - Manual (Page 43)

Appendix A. CRU instructions
37
8 Reinstall the battery pack. For details, see “Replacing the battery pack” on
page 31.
To make sure that the DDR3 SDRAM module is installed correctly, do as
follows:
1 Press the Novo button to open the Novo button menu.
2 Select the BIOS Setup. The System Memory item shows the total amount
of memory installed in your computer.