Lenovo S21e-20 User Manual page 34

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
AC power adapter
Power cord
Battery pack
Memory
Optional-service CRUs
Storage
Keyboard
30
Safety, Warranty, and
Setup Guide
O
O
Safety, Warranty, and
Setup Guide
User Guide
User Guide
O