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IdeaCentre K431
Lenovo IdeaCentre K431 Manuals
Manuals and User Guides for Lenovo IdeaCentre K431. We have
1
Lenovo IdeaCentre K431 manual available for free PDF download: Hardware Maintenance Manual
Lenovo IdeaCentre K431 Hardware Maintenance Manual (57 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 5.21 MB
Table of Contents
Table of Contents
5
Chapter 1. About this Manual
7
Important Safety Information
7
Chapter 2. Safety Information
9
General Safety
9
Electrical Safety
9
Safety Inspection Guide
11
Handling Electrostatic Discharge-Sensitive Devices
11
Grounding Requirements
12
Safety Notices
12
Chapter 3. General Information
15
Specifications
15
Chapter 4. General Checkout
17
Chapter 5. Using the Setup Utility
19
Starting the Lenovo BIOS Setup Utility Program
19
Viewing and Changing Settings
19
Using Passwords
19
Enabling or Disabling a Device
21
Selecting a Startup Device
22
Exiting the Lenovo BIOS Setup Utility Program
23
Chapter 6. Symptom-To-FRU Index
25
Hard Disk Drive Boot Error
25
Power Supply Problems
25
Copyright Lenovo
25
POST Error Codes
26
Undetermined Problems
26
Chapter 7. Locations
27
Identifying Internal Components
27
Identifying Parts on the System Board
27
Product View
29
Chapter 8. Replacing Hardware
31
General Information
31
Replacing the Keyboard and Mouse
32
Removing the Computer Cover
32
Removing the Front Bezel
33
Replacing a Memory Module
34
Replacing a Hard Disk Drive
35
Replacing an Optical Drive
36
Replacing a Graphics Card
37
Replacing the TV-Tuner Card
39
Replacing the Power Supply
41
Replacing the Microprocessor Fan
41
Replacing Microprocessor Fan
42
Replacing the Heat-Sink
42
Replacing the CPU
43
Replacing the Wi-Fi Card
45
Replacing the Motherboard
46
FRU Lists
47
Fru Lists
48
Chapter 9. General Information
57
Additional Service Information
57
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