Keyboard . . . . . . . . . . . . . . . 58
Speaker assembly . . . . . . . . . . . . 62
Always On USB 3.1 connector Gen 1 board . . 64
Chapter 8. Help and support . . . . . 67
Frequently asked questions . . . . . . . . . . 67
Error messages . . . . . . . . . . . . . . . 68
Beep errors . . . . . . . . . . . . . . . . 69
Self-help resources . . . . . . . . . . . . . 70
Call Lenovo . . . . . . . . . . . . . . . . 71
Before you contact Lenovo . . . . . . . . 71
Lenovo Customer Support Center . . . . . . 71
Purchase additional services. . . . . . . . . . 72
Appendix A. Important safety
information . . . . . . . . . . . . . . . 73
Appendix B. Accessibility and
ergonomic information . . . . . . . . 87
Appendix C. Supplemental
information about the Linux operating
system . . . . . . . . . . . . . . . . . 91
Appendix D. Compliance
information . . . . . . . . . . . . . . . 93
Appendix E. Notices and
trademarks . . . . . . . . . . . . . . . 107
ii T495 User Guide