You-Cheng, i also tried removing pci=nocrs and rebooting and it did not
work either.

I would like to try
https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1881322, should I
delete all the grub parameters that i added?

To add further information:

- With the parameters I currently have, and with Mouse Click Emulation set in 
"Area" (in Tweaks), the right mouse button and middle mouse button does not 
work (In xev i can see that all are mapped to button 1) but the gestures as two 
finger scrolling work fine.
- With Click Emulation set in "Fingers", xev shows button 1, button 2 and 
button 3 with one, two and three fingers, respectively.
- The Option "Disable Touchpad while Typing" does not work with any of the 
previous configurations.

Also, I think this is unrelated:

- Sometimes when I boot ubuntu, the sound does not work, even the icon in the 
sound settings (top right corner) does not show, and the volume with the Fn 
keys does not change.
- When you try to open an app (e.g. Firefox), a folder or a terminal, it needs 
around a minute to work for the first time, then you can open anything normally.
- When I try to shutdown or restart, it shows a recurrent message "[    
56.603594] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: 
last cmd=0x202f8100"
- The initial number rises (e.g. the second message is [    57.607631]) and the 
hexadecimal number also changes.
- I have to force the shutdown.  It usually requires one restart to fix, but 
sometimes i get in this situation two times in a row.

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1881322

Title:
  Touchpad not detected in 'Lenovo V15-IIL model 82C5' after installing
  Ubuntu 20.04

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 20.04 is installed in a brand new Lenovo V15-IIL alongside
  Windows 10. According to lenovo's support page, the driver for windows
  is Synaptics 19.5.10.149_Elan 22.4.18.1. In windows the touchpad works
  fine.

  This model has two options in BIOS regarding Fn Keys, a "Smart Fn key"
  that toogles the Fn key on/off each time you press it and a "Foolproof
  Fn Key" that maps the Fn key to Ctrl when you press a combinations of
  keys that does not have a Fn assigned. When I enable the "foolproof fn
  key" in the BIOS, the Fn + F1...F12 and the sound driver stop working
  (i dont have sound, i can't change the volume and the volume icon in
  the GUI does not show). Fn+F6 (to enable/disable touchpad) can't
  enable it.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-33-generic 5.4.0-33.37
  ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
  Uname: Linux 5.4.0-33-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  fdadam     1434 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Fri May 29 13:08:24 2020
  InstallationDate: Installed on 2020-05-28 (1 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 04f2:b624 Chicony Electronics Co., Ltd Integrated 
Camera
   Bus 001 Device 002: ID 0458:0186 KYE Systems Corp. (Mouse Systems) Genius 
DX-120 Mouse
   Bus 001 Device 004: ID 8087:0aaa Intel Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 82C5
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-33-generic 
root=UUID=fd0c8ed1-6032-467c-9902-3094e6740be8 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-33-generic N/A
   linux-backports-modules-5.4.0-33-generic  N/A
   linux-firmware                            1.187
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/04/2020
  dmi.bios.vendor: LENOVO
  dmi.bios.version: DKCN26WW
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: NO DPK
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo V15-IIL
  dmi.modalias: 
dmi:bvnLENOVO:bvrDKCN26WW:bd03/04/2020:svnLENOVO:pn82C5:pvrLenovoV15-IIL:rvnLENOVO:rnLNVNB161216:rvrNODPK:cvnLENOVO:ct10:cvrLenovoV15-IIL:
  dmi.product.family: V15-IIL
  dmi.product.name: 82C5
  dmi.product.sku: LENOVO_MT_82C5_BU_idea_FM_V15-IIL
  dmi.product.version: Lenovo V15-IIL
  dmi.sys.vendor: LENOVO

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