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30GL0042GE
Lenovo 30GL0042GE Manuals
Manuals and User Guides for Lenovo 30GL0042GE. We have
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Lenovo 30GL0042GE manual available for free PDF download: Hardware Maintenance Manual
Lenovo 30GL0042GE Hardware Maintenance Manual (102 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 50.66 MB
Table of Contents
Table of Contents
3
Chapter 1. Important Safety Information
5
General Safety
5
Electrical Safety
6
Safety Inspection Guide
7
Handling Electrostatic Discharge-Sensitive Devices
8
Grounding Requirements
8
Safety Notices (Multi-Lingual Translations)
8
Chapter 2. Important Service Information
31
Strategy for Replacing Frus
31
Strategy for Replacing a Hard Disk Drive or a Solid-State Drive
31
Important Notice for Replacing a System Board
31
How to Use Error Codes
32
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
32
Product Definition
32
FRU Identification
32
Chapter 3. Product Overview
33
Front
33
Rear
34
Chapter 4. Service Checkout and Symptom-To-FRU Index
35
Service Checkout
35
Problem Determination Tips
35
Symptom-To-FRU Index
36
Hard Disk Drive Boot Error
36
Power Supply Problems
37
Beep Symptoms
37
POST Error Codes
38
Miscellaneous Error Conditions
39
Undetermined Problems
41
Chapter 5. Diagnostics
43
Basic Procedure for Resolving Computer Problems
43
UEFI Diagnostic Program
43
Lenovo Diagnostic Tools
44
Use the Vantage App
44
Self-Help Resources
44
Chapter 6. Hardware Removal and Installation
47
Handling Static-Sensitive Devices
47
Service Tool Kit
47
Major Frus and Crus
48
System Board
52
Internal Storage Drives
54
Removing and Installing Hardware
54
External Options
55
Computer Cover
55
Optical Drive
56
Front Bezel
58
Primary Storage Drives
59
3.5-Inch Primary Storage Drive Cage
64
PCI-Express Card
64
Graphics Card Fan
65
Graphics Card
66
M.2 Solid-State Drive and Heat Sink
70
M.2 Solid-State Drive Bracket
71
Optical Drive Cage
72
Secondary Storage Drive
74
Memory Module
75
Coin-Cell Battery
77
Power Supply Assembly
77
E-Lock
78
Front Fan
79
Rear Fan
80
Chassis Beam
81
Heat-Sink-And-Fan Assembly
83
Front I/O Bracket, Power Button Cable, and Card Reader
85
Internal Speaker
87
Wi-Fi Card
87
Front Wi-Fi Antenna
88
Rear Wi-Fi Antenna
89
Thinkstation LED
90
Thermal Sensor
91
Cover Presence Switch Cable and Bracket
92
Microprocessor
93
System Board
94
VRM Heat Sink
96
Chapter 7. Notices and Trademarks
99
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