Lenovo B450 Notebook - Manual (Page 67)

Chapter 6. Upgrading and replacing devices
53
The following table provides a list of CRUs (Customer Replaceable Units)
for your computer, and informs you of where to find replacement
instructions.
Setup Poster User Guide
Self-service CRUs
AC adapter O
Power cord for AC
adapter
O
Battery O O
Bottom access doors O
Hard disk drive O
Memory O
Optical drive O