Lenovo B5400 Notebook - Manual (Page 48)

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Appendix A. CRU instructions
The following table provides a list of CRUs for your computer, and informs
you of where to find replacement instructions.
Self-service CRUs
Optional-service CRUs
Setup Poster User Guide
AC power adapter ×
Power cord for AC adapter ×
Battery pack Ч Ч
Backup battery ×
Memory ×
Optical drive ×
Setup Poster User Guide
Hard disk drive ×
Wireless LAN card Ч