Contents
3
Discover Your Lenovo Computer
5
Chapter 1. Meet Your Computer
1
Front
1
Rear
3
Features And Specifications
5
Usb Specifications
6
Chapter 2. Get Started With Your Computer
9
Get Started With Ubuntu Desktop
9
Access Networks
9
Connect To The Wired Ethernet
9
Connect To Wi-Fi Networks (For Selected Models)
10
Connect An External Display
10
Chapter 3. Explore Your Computer
11
Set The Power Plan
11
Connect To A Bluetooth-Enabled Device (For Selected Models)
11
Intel Turbo Boost Technology
12
Purchase Accessories
12
Chapter 4. Secure Your Computer And Information
13
Lock The Computer
13
Uefi Bios Passwords
13
Certificate-Based Bios Management
14
Computrace Agent Software Embedded In Firmware (For Selected Models)
15
Use Bios Security Solutions
15
Wipe The Storage Drive Data
15
Cover Presence Switch
16
Intel Bios Guard
16
Smart Usb Protection
16
Chapter 5. Uefi Bios
17
What Is Uefi Bios
17
Enter The Bios Menu
17
Navigate In The Bios Interface
17
Change The Display Language Of Uefi Bios
17
Change The Display Mode Of Uefi Bios (For Selected Models)
18
Set The System Date And Time
18
Change The Boot Priority Order
18
Enable Or Disable The Configuration Change Detection Feature
19
Enable Or Disable The Automatic Power-On Feature
19
Enable Or Disable The Smart Power-On Feature (For Selected Models)
19
Enable Or Disable The Erp Lps Compliance Mode
19
Change The Its Performance Mode
20
Change Bios Settings Before Installing A New Operating System
20
Update Uefi Bios
21
Customize Bios Defaults
21
Recover From A Bios Update Failure
21
Clear Cmos
22
Chapter 6. Cru Replacement
23
Cru List
23
Remove Or Replace A Cru
24
Power Adapter And Power Cord
24
Power Adapter Bracket
25
Vesa Mount Bracket
30
Vertical Stand
30
External Wi-Fi Antenna
31
External Optical Drive Box And External Optical Drive
32
Dust Shield
34
Computer Cover
35
Hard Disk Drive And Hard Disk Drive Bracket
36
Internal Speaker
38
System Fan
39
Coin-Cell Battery
41
Pcie Card And Pcie Converter (Only For M90Q Gen 4)
42
Thunderbolt 4 Card Module (Only For M90Q Gen 4)
45
I/O Bracket (For M80Q Gen 4 And M90Q Gen 4)
47
I/O Board
47
Heat Sink
48
Bottom Cover
49
M.2 Solid-State Drive
50
Memory Module
51
Chapter 7. Help And Support
53
Self-Help Resources
53
Lenovo Diagnostic Tools
53
Call Lenovo
54
Before You Contact Lenovo
54
Lenovo Customer Support Center
54
Purchase Additional Services
55
Appendix A. Supplemental Information About The Ubuntu Operating System
57
Appendix B. Compliance Information
59
Appendix C. Notices And Trademarks
61
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