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I bought Lenovo IdeaPad-5-15IIL05, installed elementary OS 5.1.5 Hera:

  1. No sound (no sound output device).
  2. The touchpad does not work.
  3. The brightness adjustment through FN does not work.
  4. alsamixer does not open, writes no directory

Please help with the solution of this issue.

Changed the core of i8042.reset quiet splash (sudo nano / etc / default / grub) - the result does not work.

Sound card:

Multimedia audio controller: Intel Corporation Device 34c8 (rev 30)
Subsystem: Lenovo Device 3841

Touchpad not showing

$ lspci
00: 00.0 Host bridge: Intel Corporation Device 8a12 (rev 03)
00: 02.0 VGA compatible controller: Intel Corporation Device 8a56 (rev 07)
00: 04.0 Signal processing controller: Intel Corporation Device 8a03 (rev 03)
00: 0d.0 USB controller: Intel Corporation Device 8a13 (rev 03)
00: 14.0 USB controller: Intel Corporation Ice Lake-LP USB 3.1 xHCI Host Controller (rev 30)
00: 14.2 RAM memory: Intel Corporation Device 34ef (rev 30)
00: 14.3 Network controller: Intel Corporation Device 34f0 (rev 30)
00: 15.0 Serial bus controller [0c80]: Intel Corporation Ice Lake-LP Serial IO I2C Controller # 0 (rev 30)
00: 15.1 Serial bus controller [0c80]: Intel Corporation Ice Lake-LP Serial IO I2C Controller # 1 (rev 30)
00: 16.0 Communication controller: Intel Corporation Device 34e0 (rev 30)
00: 17.0 SATA controller: Intel Corporation Ice Lake-LP SATA Controller [AHCI mode] (rev 30)
00: 1d.0 PCI bridge: Intel Corporation Device 34b4 (rev 30)
00: 1f.0 ISA bridge: Intel Corporation Ice Lake-LP LPC Controller (rev 30)
00: 1f. 3 Multimedia audio controller: Intel Corporation Device 34c8 (rev 30)
00: 1f. 4 SMBus: Intel Corporation Ice Lake-LP SMBus Controller (rev 30)
00: 1f.5 Serial bus controller [0c80]: Intel Corporation Ice Lake-LP SPI Controller (rev 30)
01: 00.0 Non-Volatile memory controller: Device 1e0f: 0001
  • May I kindly ask you to type this in terminal: sudo update-initramfs -u Copy results, paste it in pastebin.com and provide a link to a pastebin, please? We will see what firmware is missing. – Sysadmin Jun 14 at 5:16
  • Inserted pastebin.com/wbbQxtfA – Gimamoie Jun 20 at 16:05
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sudo update-initramfs -u

update-initramfs: Generating /boot/initrd.img-5.7.1-050701-generic
W: Possible missing firmware /lib/firmware/i915/skl_huc_2.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/skl_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/bxt_huc_2.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/bxt_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_huc_4.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/glk_huc_4.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/glk_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_huc_4.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/kbl_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/cml_huc_4.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/cml_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/icl_huc_9.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/icl_guc_33.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/ehl_huc_9.0.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/ehl_guc_33.0.4.bin for module i915
W: Possible missing firmware /lib/firmware/i915/tgl_huc_7.0.12.bin for module i915
W: Possible missing firmware /lib/firmware/i915/tgl_guc_35.2.0.bin for module i915
W: Possible missing firmware /lib/firmware/i915/icl_dmc_ver1_09.bin for module i915
W: Possible missing firmware /lib/firmware/i915/tgl_dmc_ver2_06.bin for module i915
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  • Thanks. I will provide a solution today. I already fixed this and I have the tutorial. – Sysadmin Jun 15 at 6:30
  • Thank! I'm waiting! – Gimamoie Jun 20 at 16:08
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I have the same issue. I have installed Hera on an Ideapad 100S-11IBY and there is no sound. The sound settings screen frist shows there is no audio device but in a few moments it switches to Atom Processor Z36xxx/Z37xxx Series Graphics & Display (???)

I have tried your solution, but I am getting the same error. additional note, even though I run command with sudo it does not ask for the password.

the issue of cp is the way you typed the source directory /firmware-linux... it is looking for it in the root directory instead of current folder. when I changed the line to this:

sudo cp -R firmware-linux/i915/* /lib/firmawere/i915

it ran correctly.

after the full process I have rebooted but I am still getting the No output device screen

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Type in terminal:

sudo gedit /etc/default/grub

Change

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

to:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash snd_hda_intel.dmic_detect=0 psmouse.elantech_smbus=0"

And save the change. Exit gedit.

Then type:

sudo update-grub

and Reboot.

You can check if soundcards are detected with:

aplay -l

If you do not have gedit, you can use nano instead gedit.

If

psmouse.elantech_smbus=0

will not work, remove it and instead add this:

i8042.nomux=1 i8042.reset

Solution with i8042 taken from here: click

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  • Thank! this solution works, there is sound! How to enable the touchpad? – Gimamoie Jun 21 at 12:50
  • I edited my answer above. Add psmouse.elantech_smbus=0 in /etc/default/grub and perform update-grub once again. – Sysadmin Jun 21 at 17:42
  • Additionally you can check errors with touchpad in terminal : sudo dmesg | grep -i elantech. – Sysadmin Jun 21 at 17:46
  • i8042.reset i8042.nomux i8042.nopnp i8042.noloop - doesn't work either – Gimamoie Jun 24 at 18:17
  • Did you try psmouse.elantech_smbus=0 instead of i8042.reset i8042.nomux i8042.nopnp i8042.noloop? I mean remove i8042.reset i8042.nomux i8042.nopnp i8042.noloop and add psmouse.elantech_smbus=0 – Sysadmin Jun 24 at 20:34
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psmouse.elantech_smbus=0 - this option does not work

i8042.nomux=1 i8042.reset - this option does not work

sudo dmesg | grep -i elantech - does not execute a command

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Try this solution:

1. cd /home/yourusername/Downloads/

2. mkdir i915

3. cd /i915/

4. git clone https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git

5. sudo cp -R ./linux-firmware/i915/* /lib/firmware/i915/

6. sudo update-initramfs -u

It was made a corection in line 5.

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  • : ~ / Downloads / i915 $ sudo cp -R /linux-firmware/i915/* /lib/firmware/i915/ cp: failed to execute stat for '/ linux-firmware / i915 / *': No such file or directory – Gimamoie Jun 16 at 8:01
  • Can you perform each command separately exactly the way I described one by one? You are doing it wrong. I provided the instruction how it should be done correctly. Do not try to make it in a different way, please. – Sysadmin Jun 16 at 9:02
  • I did everything according to the instructions one by one line on the points, the error goes on point 5 cp: failed to execute stat for '/ linux-firmware / i915 / *': No such file or directory – Gimamoie Jun 20 at 16:08
  • I did everything. He went to a folder under the administrator and simply copied it with a replacement for new files from what he downloaded. Then did: sudo update-initramfs -u Touchpad not working – Gimamoie Jun 20 at 16:58
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I got the answer from this post.

https://askubuntu.com/questions/1227972/touchpad-of-lenovo-ideapad-s145-15iil-not-detected-in-18-04-and-19-10-ubuntu-an

The workaround is to pass these parameters to the kernel.

i8042.nopnp=1 pci=nocrs

It's recommended to test before change definitily like this.

https://wiki.ubuntu.com/Kernel/KernelBootParameters

This worked for me.

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