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H420
Lenovo H420 Manuals
Manuals and User Guides for Lenovo H420. We have
8
Lenovo H420 manuals available for free PDF download: Hardware Maintenance Manual, Safety And Warranty Manual, Hardware Replacement Manual, User Manual, Notice
Lenovo H420 Hardware Maintenance Manual (66 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 3.16 MB
Table of Contents
Table of Contents
1
Chapter 1. About this Manual
3
Important Safety Information
3
Using Esupport
4
Important Information about Replacing Rohs Compliant Frus
4
Chapter 2. Safety Information
6
General Safety
6
Electrical Safety
7
Safety Inspection Guide
9
Handling Electrostatic Discharge-Sensitive Devices
10
Grounding Requirements
10
Safety Notices
11
Chapter 3. General Information
14
Specifications
14
Chapter 4. General Checkout
15
Problem Determination Tips
16
Chapter 5. Using the Setup Utility (Type G41)
18
Starting the Setup Utility Program
18
Viewing and Changing Settings
18
Using Passwords
19
User Password
20
Using Device
21
Selecting a Startup Device
22
Exiting from the Setup Utility Program
23
Chapter 6. Using the Setup Utility (Type RS760)
24
Starting the Setup Utility Program
24
Viewing and Changing Settings
24
Using Passwords
25
Security Options
27
Selecting a Startup Device
28
Exiting from the Setup Utility Program
29
Chapter 7. Symptom-To-FRU Index
30
Hard Disk Drive Boot Error
30
Power Supply Problems
31
Beep Symptoms
32
POST Error Codes
33
Undetermined Problems
35
Chapter 8. Locations
36
Locating Components
36
Locating Connectors on the Front of the Computer
37
Locating Connectors on the Rear of the Computer
38
Identifying Parts on the System Board
40
Chapter 9. Replacing Hardware
43
Removing the Computer Cover
43
Removing and Replacing the Front Bezel
44
Replacing a Memory Module
45
Replacing the Hard Disk Drive
47
Replacing an Optical Drive
48
Replacing a PCIE Adapter
49
Replacing the Heatsink Assembly
50
Replacing the CPU
52
Replacing the Motherboard
55
Replacing the System Fan Assembly
56
Replacing the Power Supply
58
Replacing the Keyboard
59
Replacing the Mouse
60
Replacing the External Speaker
61
Completing the Installation
61
Chapter 10. Additional Service Information (Type G41)
63
Power Management
63
Automatic Power-On Features
63
Chapter 11. Additional Service Information (Type RS760)
64
Power Management
64
Appendix. Statement
65
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Lenovo H420 Safety And Warranty Manual (49 pages)
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
Brand:
Lenovo
| Category:
Desktop
| Size: 1.07 MB
Table of Contents
Table of Contents
4
Chapter 1 Important Safety Information
6
General Safety Guidelines
8
Service and Upgrades
8
Static Electricity Prevention
9
Power Cords and Power Adapters
9
Voltage-Selection Switch
10
Extension Cords and Related Devices
10
Plugs and Outlets
11
External Devices
11
Batteries
11
Heat and Product Ventilation
12
Operating Environment
13
Electrical Current Safety Information
14
Lithium Battery Notice
15
Modem Safety Information
15
Laser Compliance Statement
16
Power Supply Statement
17
Products with Television Tuner Options Installed
17
Note to CATV System Installer
17
Example of Antenna Grounding
18
Data Safety
19
Cleaning and Maintenance
20
Using Headphones or Earphones
20
Additional Safety Information
21
Liquid Crystal Display (LCD) Notice
21
Selection of Operation Environment
22
Conditions that Require Immediate Action
6
Chapter 2 Lenovo Limited Warranty
26
What this Warranty Covers
26
How to Obtain Warranty Service
27
Problems
27
Replacement of a Product or Part
27
Your Additional Responsibilities
28
Use of Personal Information
28
What this Warranty Does Not Cover
28
Limitation of Liability
29
Dispute Resolution
30
Other Rights
30
European Economic Area (EEA)
30
Warranty Information
31
Types of Warranty Service
35
Chapter 3 Notices
38
Declaration
38
Electronic Emissions Notices
39
Industry Canada Class B Emission Compliance Statement
41
European Union Emc Directive Conformance Statement
41
Korean Class B Statement
42
Japanese VCCI Class B Statement
42
Power Cord Notice
43
Polyvinyl Chloride (PVC) Cable and Cord Notice
46
China Substance Disclosure Table
47
Turkish Statement of Compliance
47
Waste Electrical and Electronic Equipment (WEEE) Notices
48
Japanese Recycling Statement
49
Lenovo H420 User Manual (33 pages)
Lenovo H4 Series User Guide V3.0
Brand:
Lenovo
| Category:
Desktop
| Size: 4.11 MB
Table of Contents
User Guide
1
Important Safety Information
2
Table of Contents
4
Chapter 1 Using the Computer Hardware
6
Front View of the Chassis
7
Rear View of the Chassis
8
Connecting Your Computer
13
The Computer
14
If You Have Powered Speakers with an Adapter
17
If You Have Powered Speakers Without an Adapter
17
Chapter 2 Using the Rescue System
20
Onekey Recovery
21
Driver and Application Installation
21
Note about Service Partition
21
System Setup
22
System Backup
23
System Recovery
23
Create Recovery Disc
23
Chapter 3 Using the Computer Software
24
Lenovo Dynamic Brightness System
25
Lenovo Eye Distance System
26
Chapter 4 Troubleshooting and Confirming Setup
28
Troubleshooting Display Problems
29
Troubleshooting Audio Problems
30
Troubleshooting Software Problems
30
Troubleshooting Problems with Optical Drives and
31
Hard Disks
31
Special Considerations for Troubleshooting Windows
32
Performing Daily Maintenance Tasks
33
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Lenovo H420 Hardware Replacement Manual (39 pages)
Lenovo H4 Series Hardware Replacement Guide V3.0
Brand:
Lenovo
| Category:
Desktop
| Size: 7.04 MB
Table of Contents
Table of Contents
4
Overview
6
Additional Information Resources
7
Tools Required
7
Chapter 1 Locations
10
Locating Components
10
Locating Connectors on the Front of the Computer
11
Locating Connectors on the Rear of the Computer
12
Identifying Parts on the System Board
18
Product View
19
Chapter 2 Replacing Hardware
24
Removing the Computer Cover
24
Removing and Replacing the Front Bezel
26
Replacing a Memory Module
27
Replacing the Hard Disk Drive
28
Replacing an Optical Drive
29
Replacing the Heatsink Assembly
31
Replacing a PCI or AGP Adapter
33
Replacing the Keyboard and Mouse
35
Completing the Installation
36
Chapter 3 Appendix
38
Lenovo H420 User Manual (31 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 3.02 MB
Table of Contents
User Guide
1
Important Safety Information
2
Table of Contents
4
Chapter 1 Using the Computer Hardware
6
Front View of the Chassis
7
Rear View of the Chassis
8
Connecting Your Computer
11
The Computer
12
Audio Configuration Instructions
14
If You Have Powered Speakers with an Adapter
15
If You Have Powered Speakers Without an Adapter
15
Chapter 2 Using the Rescue System
18
Onekey Recovery
19
Driver and Application Installation
19
System Setup
20
System Backup
21
System Recovery
21
Create Recovery Disc
21
Chapter 3 Using the Computer Software
22
Lenovo Dynamic Brightness System
23
Lenovo Eye Distance System
24
Chapter 4 Troubleshooting and Confirming Setup
26
Troubleshooting Display Problems
27
Troubleshooting Audio Problems
28
Troubleshooting Software Problems
28
Troubleshooting Problems with Optical Drives and
29
Hard Disks
29
Special Considerations for Troubleshooting Windows
30
Performing Daily Maintenance Tasks
31
Lenovo H420 Hardware Replacement Manual (37 pages)
Lenovo H4 Series Hardware Replacement Guide V3.0
Brand:
Lenovo
| Category:
Desktop
| Size: 6 MB
Table of Contents
Table of Contents
4
Overview
6
Additional Information Resources
7
Tools Required
7
Chapter 1 Locations
10
Locating Components
10
Locating Connectors on the Front of the Computer
11
Locating Connectors on the Rear of the Computer
12
Identifying Parts on the System Board
17
Chapter 2 Replacing Hardware
22
Removing the Computer Cover
22
Removing and Replacing the Front Bezel
24
Replacing a Memory Module
25
Replacing the Hard Disk Drive
26
Replacing an Optical Drive
27
Replacing the Heatsink Assembly
29
Replacing a PCI or AGP Adapter
31
Replacing the Keyboard and Mouse
33
Completing the Installation
34
Chapter 3 Appendix
36
Lenovo H420 Hardware Replacement Manual (29 pages)
Lenovo H4 Series Hardware Replacement Guide V1.0
Brand:
Lenovo
| Category:
Desktop
| Size: 1.81 MB
Table of Contents
Table of Contents
3
Overview
4
Additional Information Resources
5
Tools Required
5
Chapter 1 Locations
7
Locating Components
7
Locating Connectors on the Front of the Computer
8
Locating Connectors on the Rear of the Computer
9
Identifying Parts on the System Board
11
Chapter 2 Replacing Hardware
14
Removing the Computer Cover
14
Removing and Replacing the Front Bezel
16
Replacing a Memory Module
17
Replacing the Hard Disk Drive
18
Replacing an Optical Drive
19
Replacing the Heatsink Assembly
21
Replacing a PCI or AGP Adapter
23
Replacing the Keyboard
25
Replacing the Mouse
26
Completing the Installation
26
Appendix
28
Lenovo H420 Notice (4 pages)
Power cord notice
Brand:
Lenovo
| Category:
Desktop
| Size: 0.04 MB
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