Table Of Contents - Lenovo ThinkCentre M90a Gen 3 User Manual

Contents
Discover your Lenovo computer . . . . iii
Chapter 1. Meet your computer . . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Rear . . . . . . . . . . . . . . . . . . . . 3
Features and specifications . . . . . . . . . . . 4
USB specifications . . . . . . . . . . . . . . 5
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . . 7
Adjust the computer stand (for selected models) . . . 7
Rotate the monitor (for selected models) . . . . . . 8
Adjust the tiltable camera (for selected models) . . . 8
Access networks . . . . . . . . . . . . . . . 9
Connect to the wired Ethernet . . . . . . . . 9
Connect to Wi-Fi networks (for selected
models) . . . . . . . . . . . . . . . . . 9
Use the touch screen (for selected models) . . . . . 9
Connect an external display . . . . . . . . . .
Detect human presence (for selected models) . . .
Chapter 3. Explore your computer . . 13
The Vantage app . . . . . . . . . . . . . .
Night light (Software solution) . . . . . . . . .
Set the power plan . . . . . . . . . . . . .
Transfer data . . . . . . . . . . . . . . . .
Connect to a Bluetooth-enabled device (for
selected models) . . . . . . . . . . . .
Use the optical drive (for selected models)
Use a media card (for selected models) . . . .
Purchase accessories . . . . . . . . . . . .
Chapter 4. Secure your computer
and information . . . . . . . . . . . . 17
Lock the computer . . . . . . . . . . . . .
Log in to your computer securely . . . . . . . .
UEFI BIOS passwords . . . . . . . . . .
Certificate based BIOS management. . . . .
Face authentication (for selected models) . . .
Use software security solutions. . . . . . . . .
Windows firewalls . . . . . . . . . . . .
Antivirus programs . . . . . . . . . . . .
Computrace Agent software embedded in
firmware (for selected models) . . . . . . .
Use BIOS security solutions . . . . . . . . . .
Wipe the storage drive data . . . . . . . .
Cover presence switch . . . . . . . . . .
© Copyright Lenovo 2022
Intel BIOS guard . . . . . . . . . . . . .
Smart USB Protection . . . . . . . . . .
Chapter 5. UEFI BIOS . . . . . . . . . 23
What is UEFI BIOS. . . . . . . . . . . . . .
Enter the BIOS menu. . . . . . . . . . . . .
Navigate in the BIOS interface . . . . . . . . .
Change the display language of UEFI BIOS . . . .
Change the display mode of UEFI BIOS (for
selected models) . . . . . . . . . . . . . .
Set the system date and time . . . . . . . . .
Change the boot priority order . . . . . . . . .
Enable or disable the configuration change
detection feature . . . . . . . . . . . . . .
Enable or disable the automatic power-on
feature . . . . . . . . . . . . . . . . . .
Enable or disable the smart power-on feature (for
selected models) . . . . . . . . . . . . . .
Enable or disable the ErP LPS compliance mode . .
11
Change the ITS performance mode . . . . . . .
11
Change BIOS settings before installing a new
operating system . . . . . . . . . . . . . .
Update UEFI BIOS. . . . . . . . . . . . . .
13
Recover from a BIOS update failure . . . . . . .
13
Clear CMOS . . . . . . . . . . . . . . . .
13
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Chapter 6. Diagnostics . . . . . . . . 29
Lenovo diagnostic tools
14
The Vantage app . . . . . . . . . . . . . .
. . 14
15
Chapter 7. CRU replacement . . . . . 31
15
CRU list . . . . . . . . . . . . . . . . . .
Remove or replace a CRU . . . . . . . . . . .
Computer stand . . . . . . . . . . . . .
17
Chapter 8. Help and support . . . . . 37
17
Self-help resources . . . . . . . . . . . . .
17
Call Lenovo . . . . . . . . . . . . . . . .
18
Before you contact Lenovo . . . . . . . .
19
Lenovo Customer Support Center . . . . . .
19
Purchase additional services. . . . . . . . . .
19
Appendix A. Compliance
19
information . . . . . . . . . . . . . . . 41
20
Appendix B. Notices and
20
trademarks . . . . . . . . . . . . . . . 43
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