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I have installed Ubuntu 16.04.6 version on Lenovo IdeaPad 3 14IIL05, After installation laptop's keyboard, touchpad and WiFi are not working. I reinstalled xserver-xorg-input-all package and also updated the kernel version but still facing the same issue. I have executed xinput command, touchpad and keyboard are not detecting.

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  • Try Ubuntu 20.04 from LiveUSB.
    – Pilot6
    Commented Aug 13, 2020 at 14:53
  • I tried from Live USB with 16.04, 18.04, and 20.04 but still facing the same issue.
    – Bala
    Commented Aug 13, 2020 at 15:04
  • Then ask separate questions about Wi-Fi and the touchpad. I am afraid the touchpad is simply not supported. But there may be some ways. Without knowing the hardware it is impossible to tell.
    – Pilot6
    Commented Aug 13, 2020 at 15:06
  • Thanks for sharing the information.
    – Bala
    Commented Aug 13, 2020 at 15:12
  • H/w Specification: 1.2 GHz with Turbo Boost Upto 3.4 GHz Intel Core i3-1005G1 10th Gen Processor, 12 GB DDR4 RAM, 1 TB HDD, Integrated Graphics
    – Bala
    Commented Aug 13, 2020 at 15:28

2 Answers 2

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You can go to "Software & Updates" and then additional drivers tab to check which drivers are needed to be installed.

Or you can use this command to get a list of available drivers:

sudo ubuntu-drivers devices

You can install them manually, or you can use:

sudo ubuntu-drivers autoinstall 
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    I checked in Software & Updates but it showing No additional drivers are available. Also executed autoinstall command but No drivers found for automatic installation.
    – Bala
    Commented Aug 13, 2020 at 14:59
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In order to fix the touchpad:

sudo gedit /etc/default/grub

Replace line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" with GRUB_CMDLINE_LINUX_DEFAULT="pci=nocrs quiet splash"

Save file /etc/default/grub

Execute sudo update-grub

Reboot.

This is commented here:

lenovo IdeaPad-3-14ARE05 Touchpad not working. Ubuntu 20.04

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