Replace a CRU . . . . . . . . . . . . . . . 42
Computer cover . . . . . . . . . . . . . 42
Front bezel . . . . . . . . . . . . . . . 43
Optical drive (for selected models). . . . . . 45
Optical drive bracket (for selected models) . . 47
Drive bay assembly . . . . . . . . . . . 49
3.5-inch Storage drive . . . . . . . . . . 50
2.5-inch Storage drive . . . . . . . . . . 53
Memory module . . . . . . . . . . . . . 54
Heat sink and fan assembly . . . . . . . . 57
Coin-cell battery. . . . . . . . . . . . . 58
PCI Express card . . . . . . . . . . . . 60
Wi-Fi card . . . . . . . . . . . . . . . 61
M.2 solid-state drive . . . . . . . . . . . 65
M.2 solid-state drive bracket . . . . . . . . 70
Power supply assembly . . . . . . . . . . 71
Chapter 8. Help and support . . . . . 75
Self-help resources . . . . . . . . . . . . . 75
Call Lenovo . . . . . . . . . . . . . . . . 76
Before you contact Lenovo . . . . . . . . 76
Lenovo Customer Support Center . . . . . . 76
Purchase additional services. . . . . . . . . . 77
Appendix A. Important safety
information . . . . . . . . . . . . . . . 79
Appendix B. Accessibility and
ergonomic information . . . . . . . . 93
Appendix C. Supplemental
information about the Ubuntu operating
system . . . . . . . . . . . . . . . . . 97
Appendix D. Compliance
information . . . . . . . . . . . . . . . 99
Appendix E. Notices and
trademarks . . . . . . . . . . . . . . . 111
ii Lenovo V55t-15API User Guide