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ThinkCentre M90a
Lenovo ThinkCentre M90a Desktop PC Manuals
Manuals and User Guides for Lenovo ThinkCentre M90a Desktop PC. We have
5
Lenovo ThinkCentre M90a Desktop PC manuals available for free PDF download: Hardware Maintenance Manual, User Manual, Setup Manual
Lenovo ThinkCentre M90a Hardware Maintenance Manual (152 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 74.92 MB
Table of Contents
Table of Contents
3
About this Manual
5
Chapter 1. Important Safety Information
7
General Safety
7
Electrical Safety
8
Safety Inspection Guide
9
Handling Electrostatic Discharge-Sensitive Devices
10
Grounding Requirements
10
Safety Notices (Multi-Lingual Translations)
10
Chapter 2. Important Service Information
33
Strategy for Replacing Frus
33
Strategy for Replacing a Hard Disk Drive or a Solid-State Drive
33
Important Notice for Replacing a System Board
33
How to Use Error Codes
34
Strategy for Replacing Frus for CTO, Special-Bid, and Standard Models
34
Product Definition
34
FRU Identification
34
Chapter 3. Product Overview
35
Front
35
Rear
37
Chapter 4. Service Checkout and Symptom-To-FRU Index
39
Service Checkout
39
Problem Determination Tips
39
Symptom-To-FRU Index
40
Hard Disk Drive Boot Error
40
Power Supply Problems
41
Beep Symptoms
41
POST Error Codes
41
Miscellaneous Error Conditions
42
Undetermined Problems
44
Chapter 5. Troubleshooting, Diagnostics, and Recovery
47
Basic Procedure for Resolving Computer Problems
47
Troubleshooting
47
Startup Problems
48
Screen Problems
49
Audio Problems
50
Network Problems
50
Performance Problems
53
Storage Drive Problems
54
CD or DVD Problems
54
Serial Connector Problems
55
USB Device Problems
55
Software Problems
56
Diagnostics
56
Lenovo Diagnostic Tools
56
Recovery
56
Restore System Files and Settings to an Earlier Point
56
Restore Your Files from a Backup
56
Reset Your Computer
56
Use Advanced Options
57
Windows Automatic Recovery
57
Create and Use a Recovery USB Device
57
Update the Device Driver
58
Chapter 6. Hardware Removal and Installation
59
Handling Static-Sensitive Devices
59
Service Tool Kit
59
Major Frus and Crus
60
System Board
65
Removing and Installing Hardware
66
External Options
67
Computer Stand
67
Rear Cover
71
Optical Drive
72
Optical Drive Holder
75
System Board Shield
77
VESA Mount Bracket Cover
80
VESA Mount Bracket
82
Storage Drive and Storage Drive Bracket
84
System Fan
89
Heat Sink
91
Bump Cover
94
M.2 Solid-State Drive
96
Microprocessor
100
Serial Connector Module
106
Cable Cover
108
Memory Module
110
Wi-Fi Card
113
Coin-Cell Battery
116
Cover Presence Switch (Intrusion Switch)
119
E-Privacy Button Board (M90A)
121
Card Reader
122
System Board
125
Internal Speakers
128
I/O Brackets (M90A)
130
Integrated Camera and Microphone Module
133
Main Frame
136
Front Decoration Cover
139
Wi-Fi Antennas
142
LCD Bracket and LCD Panel
145
Appendix A. Notices and Trademarks
149
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Lenovo ThinkCentre M90a User Manual (122 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 32.46 MB
Table of Contents
Table of Contents
3
About this Documentation
5
Chapter 1. Meet Your Computer
7
Front
7
Rear
9
Locating Connectors on System Board
10
Features and Specifications
12
Statement on USB Transfer Rate
13
Chapter 2. Get Started with Your Computer
15
Adjust the Computer Stand (for Selected Models)
15
Get Started with Windows 10
16
Windows Account
16
Windows User Interface
17
Connect to Networks
18
Connect to the Wired Ethernet
18
Connect to Wi-Fi Networks (for Selected Models)
18
Use Lenovo Vantage
18
Use Night Light
19
Use the Multi-Touch Screen (for Selected Models)
19
Use Multimedia
22
Use Audio
22
Use the Camera (for Selected Models)
22
Connect to an External Display
22
Chapter 3. Explore Your Computer
25
Manage Power
25
Set Power Button Behaviors
25
Set the Power Plan
25
Transfer Data
25
Connect to a Bluetooth-Enabled Device (for Selected Models)
25
Use the Optical Drive (for Selected Models)
26
Use a Media Card (for Selected Models)
26
Purchase Accessories
27
Chapter 4. Secure Your Computer and Information
29
Lock the Computer
29
Log in to Your Computer Securely
29
Use Passwords
29
Use Face Authentication (for Selected Models)
30
Use Software Security Solutions
31
Use Firewalls
31
Use Antivirus Programs
31
Use Computrace Agent Software Embedded in Firmware (for Selected Models)
31
Use BIOS Security Solutions
31
Erase All Storage Drive Data
32
Use the Cover Presence Switch
32
Use Intel BIOS Guard
32
Use Smart USB Protection
32
Chapter 5. UEFI BIOS
35
What Is UEFI BIOS
35
Enter the BIOS Menu
35
Navigate in the BIOS Interface
35
Change the Display Language of UEFI BIOS
35
Set the System Date and Time
36
Change the Startup Sequence
36
Enable or Disable the Configuration Change Detection Feature
36
Enable or Disable the Automatic Power-On Feature
37
Enable or Disable the Smart Power-On Feature
37
Enable or Disable the Erp LPS Compliance Mode
37
Change the ICE Performance Mode
38
Change BIOS Settings before Installing a New Operating System
38
Update UEFI BIOS
38
Recover from a BIOS Update Failure
39
Clear CMOS
40
Chapter 6. Troubleshooting, Diagnostics, and Recovery
41
Basic Procedure for Resolving Computer Problems
41
Troubleshooting
41
Startup Problems
42
Screen Problems
43
Audio Problems
44
Network Problems
44
Performance Problems
47
Storage Drive Problems
48
CD or DVD Problems
48
Serial Connector Problems
49
USB Device Problems
49
Software Problems
50
Diagnostics
50
Lenovo Diagnostic Tools
50
Recovery
50
Restore System Files and Settings to an Earlier Point
50
Restore Your Files from a Backup
50
Reset Your Computer
50
Use Advanced Options
51
Windows Automatic Recovery
51
Create and Use a Recovery USB Device
51
Update the Device Driver
52
Chapter 7. CRU Replacement
53
What Are Crus
53
Replace a CRU
54
Computer Stand
54
Rear Cover
58
Optical Drive
59
Optical Drive Holder
62
System Board Shield
64
VESA Mount Bracket Cover
67
VESA Mount Bracket
69
Storage Drive and Storage Drive Bracket
71
M.2 Solid-State Drive
76
Memory Module
80
Chapter 8. Help and Support
85
Self-Help Resources
85
Call Lenovo
86
Before You Contact Lenovo
86
Lenovo Customer Support Center
86
Purchase Additional Services
87
Appendix A. Important Safety Information
89
Appendix B. Accessibility and Ergonomic Information
103
Appendix C. Supplemental Information about the Ubuntu Operating System
107
Appendix D. Compliance Information
109
Appendix E. Notices and Trademarks
119
Lenovo ThinkCentre M90a Setup Manual (16 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 1.27 MB
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Lenovo ThinkCentre M90a Setup Manual (15 pages)
Brand:
Lenovo
| Category:
Laptop
| Size: 1.35 MB
Lenovo ThinkCentre M90a Setup Manual (11 pages)
Brand:
Lenovo
| Category:
Desktop
| Size: 1.11 MB
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