Lenovo 21G2001RUS Manuals

Manuals and User Guides for Lenovo 21G2001RUS. We have 1 Lenovo 21G2001RUS manual available for free PDF download: Hardware Maintenance Manual

Lenovo 21G2001RUS Hardware Maintenance Manual (114 pages)

Brand: Lenovo | Category: Laptop | Size: 47 MB

Table of Contents
3
About this Manual
5
Chapter 1. Safety Information
7
General Safety
7
Electrical Safety
7
Safety Inspection Guide
9
Handling Devices that Are Sensitive to Electrostatic Discharge
9
Grounding Requirements
10
Safety Notices (Multilingual Translations)
10
Chapter 2. Important Service Information
25
Strategy for Replacing Frus
25
Strategy for Replacing a Solid-State Drive
25
How to Use Error Message
26
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
26
Product Definition
26
FRU Identification
26
Chapter 3. General Checkout
27
What to Do First
27
Checkout Guide
28
Diagnosing Problems
28
Quick Test Programs
29
UEFI Diagnostic Program
29
Bootable Diagnostic Programs
30
Power System Checkout
30
Checking the Ac Power Adapter
31
Checking the Built-In Battery and Operational Charging
31
Checking the Coin-Cell Battery
32
Chapter 4. Related Service Information
33
Reset or Restore Windows
33
Use Lenovo Recovery Options
33
Use Window Recovery Options
33
Passwords
33
Power-On Password
34
Nvme Passwords
34
Supervisor Password
34
System Management Password
34
How to Remove the Power-On Password
35
How to Remove the Nvme Password
35
How to Remove the System Management Password
36
Power Management
36
Sleep Mode
36
Hibernation Mode
37
Symptom-To-FRU Index
37
Numeric Error Codes
38
Error Messages
39
Battery-Charge LED Indicator Diagnosis
39
No-Beep Symptoms
41
LCD-Related Symptoms
42
Intermittent Problems
43
Undetermined Problems
43
Lenovo Memory Self Repair (for Intel Models Only)
44
Chapter 5. Use the Keyboard Shortcuts
45
Chapter 6. Locations
47
Locating Computer Controls and Connectors
47
Front View
47
Side View
50
Bottom View
53
Locating Frus and Crus
55
Major Frus and Crus
56
LCD Frus and Crus
60
Miscellaneous Parts
63
Connector and Cable Guide
64
Looking up FRU Information
66
Chapter 7. FRU Replacement Notices
67
Service Tool Kit
67
Screw Notices
67
Sensor Calibration
68
Retaining Serial Numbers
69
Restoring the Serial Number of the System Unit
69
Retaining the UUID
70
Reading or Writing the ECA Information
71
Chapter 8. Removing or Replacing a FRU
73
General Guidelines
73
Before Servicing the Computer
73
Disabling the Built-In Battery
73
Removing the Nano-SIM Card and Nano-SIM-Card Tray (for Selected Thinkpad P16S Gen 3 Models)
74
Base Cover Assembly of Thinkpad P14S Gen 5
74
Applying Labels to the Base Cover Assembly
75
Base Cover Assembly of Thinkpad P16S Gen 3
76
Applying Labels to the Base Cover Assembly
77
Solid-State Drive and Its Bracket (for Selected Models)
78
Wireless WAN Module(for Thinkpad P16S Gen 3 Selected Models)
79
Memory Module
80
Built-In Battery
81
Battery Frame (for Thinkpad P16S Gen 3 Only)
83
Thermal Assembly
84
Thermal Fan Kits
85
For Access, Remove These Frus in Order
85
I/O Bracket (on System Board)
86
Speaker Assembly of Thinkpad P14S Gen 5
86
Speaker Assembly of Thinkpad P16S Gen 3
87
Coin-Cell Battery
88
Wireless WAN Antennas (for Thinkpad P16S Gen 3 Only)
88
Base Cover Assembly of Thinkpad P16S Gen
88
Built-In Battery
88
I/O Board Cable
89
Step Screw (Quantity)
89
M2.0 × 4.0 MM, Flat Head, Nylon-Coated
89
Color Torque
89
Black 0.181 Nm (1.85 Kgf-CM)
89
I/O Board of Thinkpad P14S Gen 5
90
I/O Board of Thinkpad P16S Gen 3
91
System Board
93
Replace the System Board
94
How to Input the Product Information with Thinkpad System Board Self Repair Tool
96
Trackpad and Trackpad Cable
96
Smart Card Reader (for Selected Models)
98
Dummy Smart Card Reader (for Selected Thinkpad P16S Gen 3 Models)
99
Power Button with Fingerprint Reader
100
LCD Unit
100
Keyboard Assembly
102
LCD Bezel
103
LCD Panel
103
How to Install New Color Profiles for LCD Panel with the Factory Color Calibration Feature
104
LCD Hinges
105
Camera-And-Microphone Module
106
Camera-And-Lid Cable
106
Microphone Rubbers
107
Wireless LAN Antenna Assembly
107
LCD Cover Assembly
108
Appendix A. Notices
109
Appendix B. Abbreviation Table
111

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