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20NF
User Manuals: Lenovo 20NF 15.6 Full Laptop
Manuals and User Guides for Lenovo 20NF 15.6 Full Laptop. We have
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Lenovo 20NF 15.6 Full Laptop manuals available for free PDF download: User Manual, Hardware Maintenance Manual
Lenovo 20NF Hardware Maintenance Manual (103 pages)
Brand:
Lenovo
| Category:
Laptop
| Size: 67.96 MB
Table of Contents
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
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
28
How to Use Error Codes
28
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
28
Product Definition
28
FRU Identification
29
Chapter 3. General Checkout
31
What to Do First
31
Checkout Guide
32
Diagnosing Problems
32
Quick Test Programs
32
UEFI Diagnostic Program
33
Bootable Diagnostic Programs
33
Power System Checkout
34
Checking the Ac Power Adapter
34
Checking Operational Charging
35
Checking the Built-In Battery and Operational Charging
35
Checking the Coin-Cell Battery
36
Chapter 4. Related Service Information
37
Recovery Overview for the Windows 10 Operating System
37
Resetting Your Computer
37
Using Advanced Startup Options
37
Recovering Your Operating System if Windows 10 Fails to Start
38
Creating and Using a Recovery USB Drive
38
Passwords
39
Power-On Password
39
Hard Disk Password
39
Supervisor Password
39
How to Remove the Power-On Password
40
How to Remove the Hard Disk Password
40
Power Management
41
Sleep Mode
41
Hibernation Mode
41
Symptom-To-FRU Index
42
Numeric Error Codes
42
Error Messages
44
Beep Errors
44
No-Beep Symptoms
46
LCD-Related Symptoms
46
Intermittent Problems
46
Undetermined Problems
47
Chapter 5. Special Keys
49
Chapter 6. Locations
51
Locating Computer Controls, Connectors, and Indicators
51
Front
51
Base
51
Left
52
Right
52
Locating Frus and Crus
52
Major Frus and Crus
54
LCD Frus and Crus
56
Miscellaneous Parts
57
Connector and Cable Guide
57
Looking up FRU Information
59
Chapter 7. FRU Replacement Notices
61
Service Tool Kit
61
Screw Notices
61
Retaining Serial Numbers
62
Restoring the Serial Number of the System Unit
62
Retaining the UUID
63
Chapter 8. Removing or Replacing a FRU
65
General Guidelines
65
Before Servicing the Computer
66
Disabling the Built-In Battery
66
Removing the Microsd Card
66
1010 Base Cover Assembly
66
1020 Built-In Battery
68
1030 M.2 Solid-State Drive and Brackets
69
1040 Thermal Fan Assembly
72
1050 Memory Module
73
1060 Internal Storage Drive, Cable and Bracket
74
1070 Wireless LAN Card
75
1080 Coin-Cell Battery
76
1090 Keyboard
76
1100 USB Card Cable
79
1110 USB Card
79
1120 Speaker Assembly
81
1130 Fingerprint Reader Cable, Bracket and Card (for E590/R590)
82
1140 Trackpad and Cable
83
1150 System Board
85
1160 LCD Unit
87
1170 Keyboard Bezel Assembly
89
2010 LCD Bezel
89
2020 LCD Panel
90
2030 LCD Hinges
91
2040 Camera/Microphone Module
91
2050 LCD Cable
92
2060 Wireless-LAN Antenna Assembly
93
2070 LCD Cover Assembly
95
Appendix A. Notices
97
Appendix B. Abbreviation and Acronym Table
99
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Lenovo 20NF User Manual (106 pages)
Brand:
Lenovo
| Category:
Laptop
| Size: 6.14 MB
Table of Contents
Table of Contents
3
About this Documentation
5
Chapter 1. Meet Your Computer
7
Front
7
Base (Thinkpad E590 and R590)
8
Base (Thinkpad E595)
9
Left
10
Right
12
Features and Specifications
13
Chapter 2. Get Started with Your Computer
15
Get Started with Windows 10
15
Windows Account
15
Windows User Interface
16
Windows Label
17
Connect to Networks
17
Connect to the Wired Ethernet
17
Connect to Wi-Fi Networks
17
Use Lenovo Vantage
18
Interact with Your Computer
18
Use the Keyboard Shortcuts
18
Use the Trackpoint Pointing Device
20
Use the Trackpad
22
Use Multimedia
24
Use Audio
24
Use the Camera
24
Connect to an External Display
24
Chapter 3. Explore Your Computer
27
Manage Power
27
Check the Battery Status and Temperature
27
Charge the Computer
27
Maximize the Battery Life
28
Set Power Button Behaviors
28
Set the Power Plan
28
Transfer Data
28
Connect to a Bluetooth-Enabled Device
28
Use a Microsd Card
29
Airplane Mode
29
Purchase Options
30
Chapter 4. Secure Your Computer and Information
31
Lock the Computer
31
Use Passwords
31
Password Types
31
Set, Change, and Remove a Password
32
Use Fingerprint Reader (for Selected Models)
33
Use Firewalls and Antivirus Programs
33
Chapter 5. Configure Advanced Settings
35
Uefi Bios
35
What Is UEFI BIOS
35
Enter the UEFI BIOS Menu
35
Navigate in the UEFI BIOS Interface
35
Change the Startup Sequence
35
Set the System Date and Time
36
Update UEFI BIOS
36
Recovery Information
36
Restore System Files and Settings to an Earlier Point
36
Restore Your Files from a Backup
36
Reset Your Computer
36
Use Advanced Options
37
Windows Automatic Recovery
37
Create and Use a Recovery USB Device
37
Install Windows 10 and Drivers
38
Chapter 6. CRU Replacement
41
What Are Crus
41
Disable Fast Startup and the Built-In Battery
42
Replace a CRU
42
Base Cover Assembly
42
Memory Module
44
Speaker Assembly
45
Hard Disk Drive
47
M.2 Solid-State Drive
49
Fingerprint Reader
55
Keyboard
58
Chapter 7. Help and Support
65
Frequently Asked Questions
65
Error Messages
66
Beep Errors
67
Self-Help Resources
68
Call Lenovo
69
Before You Contact Lenovo
69
Lenovo Customer Support Center
69
Purchase Additional Services
70
Appendix A. Important Safety Information
71
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