Lenovo 11NH000GUS Manuals

Manuals and User Guides for Lenovo 11NH000GUS. We have 1 Lenovo 11NH000GUS manual available for free PDF download: Hardware Maintenance Manual

Lenovo 11NH000GUS Hardware Maintenance Manual

Lenovo 11NH000GUS Hardware Maintenance Manual (106 pages)

Brand: Lenovo | Category: Desktop | Size: 36 MB

Table of Contents

Table of Contents
3
About this Manual
5
Chapter 1. Important Safety Information
7
General Safety
7
Electrical Safety
8
Safety Inspection Guide
9
Handling Electrostatic Discharge-Sensitive Devices
10
Grounding Requirements
10
Safety Notices (Multi-Lingual Translations)
10
Chapter 2. Important Service Information
33
Strategy for Replacing Frus
33
Strategy for Replacing a Hard Disk Drive or a Solid-State Drive
33
Important Notice for Replacing a System Board
33
How to Use Error Codes
34
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
34
Product Definition
34
FRU Identification
34
Chapter 3. Product Overview
35
Front
35
Rear
36
Left
37
Right
37
Bottom
38
Chapter 4. Service Checkout and Symptom-To-FRU Index
39
Service Checkout
39
Problem Determination Tips
39
Symptom-To-FRU Index
40
Hard Disk Drive Boot Error
40
Power Supply Problems
41
Beep Symptoms
41
POST Error Codes
41
Miscellaneous Error Conditions
43
Undetermined Problems
44
Chapter 5. Troubleshooting and Diagnostics
47
Basic Procedure for Resolving Computer Problems
47
Troubleshooting
47
Copyright Lenovo 2021, 2023
47
Startup Problems
48
Audio Problems
49
Network Problems
49
Performance Problems
52
Storage Drive Problems
53
CD or DVD Problems
53
Serial Connector Problems
54
USB Device Problems
54
Software Problems
55
Diagnostics
55
Lenovo Diagnostic Tools
55
UEFI Diagnostic Program
55
Recovery
56
Restore System Files and Settings to an Earlier Point
56
Restore Your Files from a Backup
56
Reset Your Computer
56
Use Advanced Options
56
Windows Automatic Recovery
57
Create and Use a Recovery USB Device
57
Update the Device Driver
57
Chapter 6. Hardware Removal and Installation
59
Handling Static-Sensitive Devices
59
Service Tool Kit
59
Major Frus and Crus
61
System Board
64
Removing and Installing Hardware
64
External Options
65
Power Adapter and Power Cord
65
IO Expansion Box
66
DIN Rail Bracket Kit
67
Physical Lock Kit and VESA Mount Bracket Kit
70
Power Adapter Bracket Kit
75
Z Hook Kit
81
Rear Wi-Fi Antenna
82
Wireless WAN Antenna
83
Bottom Cover
84
M.2 Solid-State Drives
86
Wi-Fi Card
88
Wireless WAN Card
90
Rear I/O Bracket
91
System Board and Coin-Cell Battery
93
Left Cover and Front Antenna Cable
94
External Wi-Fi Antenna Cable
96
Antenna Cable
97
External Wireless WAN Antenna Cable
99
Internal Speaker
100
Right Cover and Internal Wireless WAN Heat Sink
101
Appendix A. Notices and Trademarks
103

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