Chapter 7. CRU replacement . . . . . 41
What are CRUs . . . . . . . . . . . . . . . 41
Replace a CRU . . . . . . . . . . . . . . . 42
Vertical stand . . . . . . . . . . . . . . 42
Power cord . . . . . . . . . . . . . . . 43
Computer cover . . . . . . . . . . . . . 44
Front bezel . . . . . . . . . . . . . . . 46
Optical drive . . . . . . . . . . . . . . 47
Storage drive . . . . . . . . . . . . . . 49
Power supply assembly . . . . . . . . . . 52
M.2 storage drive . . . . . . . . . . . . 54
Coin-cell battery . . . . . . . . . . . . . 55
Memory module . . . . . . . . . . . . . 58
PCI Express card . . . . . . . . . . . . 59
Chapter 8. Help and support . . . . . 63
Self-help resources . . . . . . . . . . . . . 63
Call Lenovo . . . . . . . . . . . . . . . . 64
Lenovo Customer Support Center . . . . . . 64
Purchase additional services. . . . . . . . . . 65
Appendix A. Important safety
information . . . . . . . . . . . . . . . 67
Appendix B. Accessibility and
ergonomic information . . . . . . . . 81
Appendix D. Compliance
information . . . . . . . . . . . . . . . 87
Appendix E. Notices and
trademarks . . . . . . . . . . . . . . . 99
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