User's Manual

What are CRUs . . . . . . . . . . . . . . . 53
Disable Fast Startup and the built-in battery. . . . 53
Replace a CRU . . . . . . . . . . . . . . . 54
Base cover assembly (T14 Gen 1 and P14s
Gen 1). . . . . . . . . . . . . . . . . 54
Base cover assembly (T15 Gen 1 and P15s
Gen 1). . . . . . . . . . . . . . . . . 56
Memory module (for selected models) . . . . 58
M.2 solid-state drive . . . . . . . . . . . 59
Coin-cell battery. . . . . . . . . . . . . 62
Wireless WAN card (for selected models) . . . 63
Keyboard . . . . . . . . . . . . . . . 67
Speaker assembly . . . . . . . . . . . . 73
Always On USB 3.2 connector Gen 1 board . . 75
Chapter 8. Help and support . . . . . 77
Frequently asked questions . . . . . . . . . . 77
Error messages . . . . . . . . . . . . . . . 78
Beep errors . . . . . . . . . . . . . . . . 79
Self-help resources . . . . . . . . . . . . . 80
Call Lenovo . . . . . . . . . . . . . . . . 80
Before you contact Lenovo . . . . . . . . 80
Lenovo Customer Support Center . . . . . . 82
Purchase additional services. . . . . . . . . . 82
Appendix A. Important safety
information . . . . . . . . . . . . . . . 83
Appendix B. Accessibility and
ergonomic information . . . . . . . . 97
Appendix C. Supplemental
information about the Linux operating
system . . . . . . . . . . . . . . . . . 101
Appendix D. Compliance and TCO
Certified information . . . . . . . . . . 103
Appendix E. Notices and
trademarks . . . . . . . . . . . . . . . 119
ii T14 Gen 1, T15 Gen 1, P14s Gen 1, and P15s Gen 1 User Guide