Lenovo IdeaPad U450p 3389 User Manual page 72

Chapter 6. Upgrading and replacing devices
The following table provides a list of CRUs (Customer Replaceable Units)
for your computer, and informs you of where to find replacement
instructions.
AC adapter
Power cord for AC adapter
Battery
Bottom access doors
Memory
Optical drive
58
Setup Poster
O
O
O
User Guide
O
O
O
O