User Manual

Contents
Discover your Lenovo computer . . . . iii
Chapter 1. Meet your computer . . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Rear . . . . . . . . . . . . . . . . . . . . 2
Features and specifications . . . . . . . . . . . 3
USB specifications . . . . . . . . . . . . . . 3
Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . . 5
Get started with Ubuntu Desktop . . . . . . . . . 5
Access networks . . . . . . . . . . . . . . . 5
Connect to the wired Ethernet . . . . . . . . 5
Connect to Wi-Fi networks (for selected
models) . . . . . . . . . . . . . . . . . 5
Connect an external display . . . . . . . . . . . 6
Chapter 3. Explore your computer . . . 7
Set the power plan . . . . . . . . . . . . . . 7
Connect to a Bluetooth-enabled device (for
selected models) . . . . . . . . . . . . . . . 7
Purchase accessories . . . . . . . . . . . . . 8
Chapter 4. Secure your computer
and information . . . . . . . . . . . . . 9
Lock the computer . . . . . . . . . . . . . . 9
UEFI BIOS passwords . . . . . . . . . . . . . 9
Computrace Agent software embedded in
firmware (for selected models) . . . . . . . . . 10
Use BIOS security solutions . . . . . . . . . . 10
Wipe the storage drive data . . . . . . . . 10
Cover presence switch . . . . . . . . . . 11
Intel BIOS guard . . . . . . . . . . . . . 11
Smart USB Protection . . . . . . . . . . 11
Chapter 5. UEFI BIOS . . . . . . . . . 13
What is UEFI BIOS. . . . . . . . . . . . . . 13
Enter the BIOS menu. . . . . . . . . . . . . 13
Navigate in the BIOS interface . . . . . . . . . 13
Change the display language of UEFI BIOS . . . . 13
Change the display mode of UEFI BIOS (for
selected models) . . . . . . . . . . . . . . 14
Set the system date and time . . . . . . . . . 14
Change the boot priority order . . . . . . . . . 14
Enable or disable the configuration change
detection feature . . . . . . . . . . . . . . 15
Enable or disable the automatic power-on
feature . . . . . . . . . . . . . . . . . . 15
Enable or disable the smart power-on feature (for
selected models) . . . . . . . . . . . . . . 15
Change the ITS performance mode . . . . . . . 15
Change BIOS settings before installing a new
operating system . . . . . . . . . . . . . . 16
Update UEFI BIOS. . . . . . . . . . . . . . 16
Recover from a BIOS update failure . . . . . . . 16
Clear CMOS . . . . . . . . . . . . . . . . 17
Chapter 6. Troubleshooting,
diagnostics, and recovery . . . . . . . 19
Basic procedure for resolving computer
problems . . . . . . . . . . . . . . . . . 19
Troubleshooting . . . . . . . . . . . . . . 19
Startup problems . . . . . . . . . . . . 19
Audio problems . . . . . . . . . . . . . 20
Network problems . . . . . . . . . . . . 20
Performance problems . . . . . . . . . . 21
Storage drive problems . . . . . . . . . . 21
CD or DVD problems . . . . . . . . . . . 22
Serial connector problems . . . . . . . . . 23
USB device problems . . . . . . . . . . 23
Software problems. . . . . . . . . . . . 23
Lenovo diagnostic tools . . . . . . . . . . . 23
Chapter 7. CRU replacement . . . . . 25
CRU list . . . . . . . . . . . . . . . . . . 25
Remove or replace a CRU . . . . . . . . . . . 26
Power adapter and power cord . . . . . . . 26
External Wi-Fi antenna . . . . . . . . . . 27
Vertical stand . . . . . . . . . . . . . . 27
VESA mount bracket . . . . . . . . . . . 28
External optical drive box and external optical
drive . . . . . . . . . . . . . . . . . 29
Dust shield . . . . . . . . . . . . . . . 31
Computer cover . . . . . . . . . . . . . 32
Internal speaker . . . . . . . . . . . . . 33
System fan . . . . . . . . . . . . . . . 34
Coin-cell battery. . . . . . . . . . . . . 35
PCIe card and PCIe converter . . . . . . . 36
Wi-Fi card and Wi-Fi card shield . . . . . . 39
Bottom cover . . . . . . . . . . . . . . 41
M.2 solid-state drive . . . . . . . . . . . 42
Memory module . . . . . . . . . . . . . 44
Chapter 8. Help and support . . . . . 47
Self-help resources . . . . . . . . . . . . . 47
Call Lenovo . . . . . . . . . . . . . . . . 48
© Copyright Lenovo 2021 i