Lenovo Yoga 14s 2021: Difference between revisions

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[[Category:Lenovo]]
[[Category:Lenovo]]
[[zh-hans:Lenovo Yoga 14s 2021]]
[[zh-hans:Lenovo Yoga 14s 2021]]
{{Laptop style|Does not contain a hardware and function key table}}
{{Laptop style|Missing IDs in the hardware table, an Accessibility, Firmware and "Function keys" section.}}
This page is for the Lenovo Yoga 14s 2021 (ITL) laptop equipped with Intel Core i5-1135G7, delivered starting from 2020-11-01 (China).


== Special issues ==
{| class="wikitable" style="float: right;"
|-
! Hardware !! PCI/USB ID !! Working?
|-
| Touchpad || || {{Yes}}
|-
| [[#Keyboard|Keyboard]] || || {{Yes}}
|-
| GPU || || {{Yes}}
|-
| [[#Wireless|Wireless]] || || {{Yes}}
|-
| Bluetooth || || {{Yes}}
|-
| [[#Screen|Screen]] || || {{Yes}}
|-
| [[#Audio|Audio]] || || {{Yes}}
|-
| Webcam (optical) || || {{Yes}}
|-
| [[#Webcam (Infrared)|Webcam (infrared)]] || || {{Yes}}
|-
| Ambient light sensor || || {{Yes}}
|}


Most things will work out-of-the-box, or just follow the normal set-up method. However, there are some issues you may want to solve before or during installation.
This page is for the Lenovo Yoga 14s 2021 (ITL / IHU) laptop with Intel Core i5-1135G7 / i5-11300H processor, delivered starting from 2020-11-01 (China).
It may be branded with different model names in other regions.


=== Keyboard not functioning properly ===
Most things will work out-of-the-box, if you just follow the normal set-up method. However, there are some issues you may want to solve before or during installation.


The keyboard may not function correctly, esp. normal input won't work. The behaviour includes: 1. keyboard light not switchable; 2. only some functional hotkeys are functioning. The issue may disappear after some time (varies from a few seconds to tens of minutes), or maybe not.
== Installation ==


One way to workaround this is to add a kernel parameter during booting:
You may want to do some configuration during installation, to avoid some annoying issues. You may also want to add them when configuring your boot loader. (See [[#Keyboard]] for details.)
 
Add the following kernel parameters when booting the installation media (Live CD):
 
i8042.dumbkbd
 
If your WiFi interface is missing, simply power-off and re-boot your device.
 
== Keyboard ==
 
The keyboard may not function correctly, esp. normal input will not work. The behaviours include: 1. keyboard light not switchable; 2. only some functional hotkeys are functioning. The issue may disappear after some time (varying from a few seconds to tens of minutes), or maybe not.
 
An easy way to workaround this is to add a kernel parameter during booting:


  i8042.dumbkbd
  i8042.dumbkbd


{{Note|The light for the capslock key won't work with this method, though capslock is functioning as expected.}}
{{Note|The Caps Lock LED will not work with this method, though Caps Lock is functioning as expected.}}


=== Screen flickering ===
Alternatively, you may want to use this [https://github.com/yescallop/atkbd-nogetid kernel patch] for a proper fix that makes the Caps Lock LED work normally.


This is due to Panel Self Refresh (a power saving feature of Intel iGPUs). See [[Intel graphics#Screen flickering]] for more information.
== Screen ==


The current recommend way is to disable it, by adding with this extra kernel parameter:
Users may experience far more laggy animations in Plasma Wayland sessions than in X11 ones. This situation is known to be greatly relieved if this extra kernel parameter is added:


  i915.enable_psr=0
  i915.enable_guc=3


=== WiFi interface missing ===
This workaround is only tested on an i5-11300H processor. One should test if it works on i5-1135G7 too.
 
== Wireless ==


The WiFi interface is missing sometimes after rebooting from Windows, but {{ic|rfkill}} can still discover it.
The WiFi interface is missing sometimes after rebooting from Windows, but {{ic|rfkill}} can still discover it.
Line 32: Line 69:
It is known that after powering-off and booting again, this will be corrected.
It is known that after powering-off and booting again, this will be corrected.


=== Audio not working ===
== Audio ==
 
This laptop requires firmware in order for the sound card to work. See [[Advanced Linux Sound Architecture#ALSA firmware]].
 
== Webcam (Infrared) ==


Install the {{pkg|sof-firmware}} package.
This laptop comes with infrared camera and light, to support Windows Hello. The infrared webcam can be detected on Linux automatically, but the light does not work by default.


=== Touch screen and pen not working ===
To make them work, install and configure {{AUR|linux-enable-ir-emitter}}.


Update kernel to version >= 5.10.15
See more instruction on [[Howdy]], a program that imitates Windows Hello on Linux.

Latest revision as of 14:12, 7 August 2023

This article or section does not follow the Laptop page guidelines.

Reason: Missing IDs in the hardware table, an Accessibility, Firmware and "Function keys" section. (Discuss in Talk:Lenovo Yoga 14s 2021)
Hardware PCI/USB ID Working?
Touchpad Yes
Keyboard Yes
GPU Yes
Wireless Yes
Bluetooth Yes
Screen Yes
Audio Yes
Webcam (optical) Yes
Webcam (infrared) Yes
Ambient light sensor Yes

This page is for the Lenovo Yoga 14s 2021 (ITL / IHU) laptop with Intel Core i5-1135G7 / i5-11300H processor, delivered starting from 2020-11-01 (China). It may be branded with different model names in other regions.

Most things will work out-of-the-box, if you just follow the normal set-up method. However, there are some issues you may want to solve before or during installation.

Installation

You may want to do some configuration during installation, to avoid some annoying issues. You may also want to add them when configuring your boot loader. (See #Keyboard for details.)

Add the following kernel parameters when booting the installation media (Live CD): 

i8042.dumbkbd

If your WiFi interface is missing, simply power-off and re-boot your device.

Keyboard

The keyboard may not function correctly, esp. normal input will not work. The behaviours include: 1. keyboard light not switchable; 2. only some functional hotkeys are functioning. The issue may disappear after some time (varying from a few seconds to tens of minutes), or maybe not.

An easy way to workaround this is to add a kernel parameter during booting: 

i8042.dumbkbd
Note: The Caps Lock LED will not work with this method, though Caps Lock is functioning as expected.

Alternatively, you may want to use this kernel patch for a proper fix that makes the Caps Lock LED work normally.

Screen

Users may experience far more laggy animations in Plasma Wayland sessions than in X11 ones. This situation is known to be greatly relieved if this extra kernel parameter is added: 

i915.enable_guc=3

This workaround is only tested on an i5-11300H processor. One should test if it works on i5-1135G7 too.

Wireless

The WiFi interface is missing sometimes after rebooting from Windows, but rfkill can still discover it.

It is known that after powering-off and booting again, this will be corrected.

Audio

This laptop requires firmware in order for the sound card to work. See Advanced Linux Sound Architecture#ALSA firmware.

Webcam (Infrared)

This laptop comes with infrared camera and light, to support Windows Hello. The infrared webcam can be detected on Linux automatically, but the light does not work by default.

To make them work, install and configure linux-enable-ir-emitterAUR.

See more instruction on Howdy, a program that imitates Windows Hello on Linux.

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