User's Manual

What are CRUs . . . . . . . . . . . . . . . 55
Disable Fast Startup and the built-in battery. . . . 55
Replace a CRU . . . . . . . . . . . . . . . 56
Base cover assembly (T14 Gen 1 and P14s
Gen 1). . . . . . . . . . . . . . . . . 56
Base cover assembly (T15 Gen 1 and P15s
Gen 1). . . . . . . . . . . . . . . . . 58
Memory module (for selected models) . . . . 60
M.2 solid-state drive . . . . . . . . . . . 61
Coin-cell battery. . . . . . . . . . . . . 64
Wireless WAN card (for selected models) . . . 65
Keyboard . . . . . . . . . . . . . . . 69
Speaker assembly . . . . . . . . . . . . 75
Always On USB 3.2 connector Gen 1 board . . 77
Chapter 8. Help and support . . . . . 79
Frequently asked questions . . . . . . . . . . 79
Error messages . . . . . . . . . . . . . . . 80
Beep errors . . . . . . . . . . . . . . . . 81
Self-help resources . . . . . . . . . . . . . 82
Call Lenovo . . . . . . . . . . . . . . . . 83
Before you contact Lenovo . . . . . . . . 83
Lenovo Customer Support Center . . . . . . 84
Purchase additional services. . . . . . . . . . 85
Appendix A. Important safety
information . . . . . . . . . . . . . . . 87
Appendix B. Accessibility and
ergonomic information . . . . . . . . 101
Appendix C. Supplemental
information about the Linux operating
system . . . . . . . . . . . . . . . . . 105
Appendix D. Compliance and TCO
Certified information . . . . . . . . . . 107
Appendix E. Notices and
trademarks . . . . . . . . . . . . . . . 121
ii T14 Gen 1, T15 Gen 1, P14s Gen 1, and P15s Gen 1 User Guide