Table Of Contents - Lenovo Legion Tower 5i Hardware Maintenance Manual

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 . . . . . . . . . .
Strategy for replacing a hard disk drive or a
solid-state drive . . . . . . . . . . . . .
Important notice for replacing a system
board . . . . . . . . . . . . . . . . .
How to use error codes . . . . . . . . . .
Strategy for replacing FRUs for CTO, special-bid,
and standard models. . . . . . . . . . . . .
Product definition . . . . . . . . . . . .
FRU identification . . . . . . . . . . . .
Chapter 3. Product overview . . . . . 29
Front . . . . . . . . . . . . . . . . . . .
Top . . . . . . . . . . . . . . . . . . .
Rear . . . . . . . . . . . . . . . . . . .
Chapter 4. Service checkout and
symptom-to-FRU index . . . . . . . . 33
Service checkout . . . . . . . . . . . . . .
Problem determination tips . . . . . . . .
Symptom-to-FRU index . . . . . . . . . . .
Hard disk drive boot error . . . . . . . . .
Power supply problems . . . . . . . . . .
Beep symptoms . . . . . . . . . . . . .
POST error codes . . . . . . . . . . . .
Miscellaneous error conditions . . . . . . .
Undetermined problems
Chapter 5. Help and support . . . . . 41
© Copyright Lenovo 2020
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Frequently asked questions . . . . . . . . . .
Self-help resources . . . . . . . . . . . . .
Call Lenovo . . . . . . . . . . . . . . . .
Before you contact Lenovo . . . . . . . .
Lenovo Customer Support Center . . . . . .
Purchase additional services. . . . . . . . . .
Chapter 6. Hardware removal and
installation . . . . . . . . . . . . . . . 45
Handling static-sensitive devices . . . . . . . .
Service tool kit . . . . . . . . . . . . . . .
Major FRUs and CRUs . . . . . . . . . . . .
System board . . . . . . . . . . . . . . .
Removing and installing hardware
Power cord . . . . . . . . . . . . . . .
Left side cover and right side cover . . . . .
Front bezel . . . . . . . . . . . . . . .
Wire cover (for selected models) . . . . . .
3.5-inch storage drive
Storage drive tray . . . . . . . . . . . .
Memory module . . . . . . . . . . . . .
M.2 solid-state drive . . . . . . . . . . .
Microprocessor heatsink and fan assembly
(for selected models) . . . . . . . . . . .
Top cover . . . . . . . . . . . . . . .
Coin-cell battery . . . . . . . . . . . . .
Power supply assembly . . . . . . . . . .
Bottom cover . . . . . . . . . . . . . .
Wi-Fi card . . . . . . . . . . . . . . .
Front fans . . . . . . . . . . . . . . .
Rear fan . . . . . . . . . . . . . . . .
PCI-Express card . . . . . . . . . . . .
PCI slot cover . . . . . . . . . . . . . .
USB and audio module . . . . . . . . . .
Y light assembly . . . . . . . . . . . . .
Microprocessor . . . . . . . . . . . . .
System board . . . . . . . . . . . . . .
Chapter 7. Notices and
trademarks . . . . . . . . . . . . . . . 73
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