Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Important safety
information. . . . . . . . . . . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 2
Safety inspection guide . . . . . . . . . . . . . 3
Handling electrostatic discharge-sensitive
devices . . . . . . . . . . . . . . . . . . . 4
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multi-lingual translations) . . . . . . 4
Chapter 2. Important service
information. . . . . . . . . . . . . . . 27
Strategy for replacing FRUs . . . . . . . . . . 27
Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . . . 27
Important notice for replacing a system
board . . . . . . . . . . . . . . . . . 27
How to use error codes . . . . . . . . . . 28
Strategy for replacing FRUs for CTO, special-bid,
and standard models. . . . . . . . . . . . . 28
Product definition . . . . . . . . . . . . 28
FRU identification . . . . . . . . . . . . 28
Chapter 3. Product overview . . . . . 29
Front . . . . . . . . . . . . . . . . . . . 29
Rear . . . . . . . . . . . . . . . . . . . 30
Chapter 4. Service checkout and
symptom-to-FRU index . . . . . . . . 31
Service checkout . . . . . . . . . . . . . . 31
Problem determination tips . . . . . . . . 31
Symptom-to-FRU index . . . . . . . . . . . 32
Hard disk drive boot error . . . . . . . . . 32
Power supply problems . . . . . . . . . . 33
Beep symptoms . . . . . . . . . . . . . 33
POST error codes . . . . . . . . . . . . 34
Miscellaneous error conditions . . . . . . . 35
Undetermined problems . . . . . . . . . 37
Diagnostics . . . . . . . . . . . . . . . . 37
Basic procedure for resolving computer
problems . . . . . . . . . . . . . . . 37
UEFI diagnostic program . . . . . . . . . 38
Lenovo diagnostic tools . . . . . . . . . . 38
The Vantage app . . . . . . . . . . . . 38
Self-help resources . . . . . . . . . . . 39
Chapter 5. Hardware removal and
installation . . . . . . . . . . . . . . . 41
Handling static-sensitive devices . . . . . . . . 41
Service tool kit . . . . . . . . . . . . . . . 41
Major FRUs and CRUs . . . . . . . . . . . . 42
System board . . . . . . . . . . . . . . . 45
Removing and installing hardware . . . . . . . 46
External options . . . . . . . . . . . . . 46
Power cord and power adapter . . . . . . . 46
Power adapter bracket . . . . . . . . . . 48
Vertical stand . . . . . . . . . . . . . . 49
External optical drive . . . . . . . . . . . 50
VESA mount bracket . . . . . . . . . . . 52
Dust shield . . . . . . . . . . . . . . . 53
Computer cover . . . . . . . . . . . . . 55
Rear Wi-Fi antenna. . . . . . . . . . . . 56
Internal speaker . . . . . . . . . . . . . 57
System fan . . . . . . . . . . . . . . . 58
Coin-cell battery. . . . . . . . . . . . . 59
Storage drive . . . . . . . . . . . . . . 61
Wi-Fi card . . . . . . . . . . . . . . . 63
Bottom cover . . . . . . . . . . . . . . 65
Memory module . . . . . . . . . . . . . 66
M.2 solid-state drive . . . . . . . . . . . 67
Rear Wi-Fi antenna cable . . . . . . . . . 69
Heat sink . . . . . . . . . . . . . . . 71
Front Wi-Fi antenna and cable . . . . . . . 72
Antenna bracket. . . . . . . . . . . . . 74
Microprocessor . . . . . . . . . . . . . 75
System board. . . . . . . . . . . . . . 78
Chapter 6. Notices and
trademarks. . . . . . . . . . . . . . . 81
© Copyright Lenovo 2020 i