Lenovo G400 User Manual page 44

Appendix. CRU instructions
The following table provides a list of CRUs (Customer Replaceable Units) for
your computer, and informs you of where to find replacement instructions.
AC power adapter
Power cord for AC power adapter
Battery pack
Hard disk drive
Memory
Optical drive
40
Setup Poster
O
O
O
User Guide
O
O
O
O