That sounds like a kernel problem, but you're not currently using a
supported Ubuntu kernel. Can you try booting the Ubuntu kernel? It
should be version 6.2.0-20.20

** Package changed: xorg (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Summary changed:

- Touchscreen just works with Pen
+ Lenovo Yoga 730-13IWL touchscreen only works with Pen

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Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/2023580

Title:
  Lenovo Yoga 730-13IWL touchscreen only works with Pen

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have a Lenovo Yoga 730 and use the "active Pen 2". Everything worked
  fine with the previous Version of Ubuntu. Since i installed 23.04, i
  got some Problems. At the beginnig my Pen doesnt worked correctly. I
  solved this Problem with some Updates. After that i once changed to
  xorg and then came back to wayland. Nw in both of them, my Touchscreen
  just works with the Stylus and not with my fingers anymore, which is
  really annoiing.

  ProblemType: Bug
  DistroRelease: Ubuntu 23.04
  Package: xorg 1:7.7+23ubuntu2
  Uname: Linux 6.3.6-060306-generic x86_64
  ApportVersion: 2.26.1-0ubuntu2
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: pass
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jun 12 20:00:06 2023
  DistUpgraded: Fresh install
  DistroCodename: lunar
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation WhiskeyLake-U GT2 [UHD Graphics 620] [8086:3ea0] (prog-if 
00 [VGA controller])
     Subsystem: Lenovo WhiskeyLake-U GT2 [UHD Graphics 620] [17aa:39fe]
  InstallationDate: Installed on 2023-05-11 (32 days ago)
  InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
  MachineType: LENOVO 81JR
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.3.6-060306-generic 
root=UUID=5288c76f-982f-4f19-a751-1f28abac1f9f ro quiet splash 
resume=UUID=e07eea5d-7392-4dd3-bf67-4162e5574848 vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/25/2020
  dmi.bios.release: 2.21
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 9NCN21WW(V2.06)
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40709 WIN
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 31
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo YOGA 730-13IWL
  dmi.ec.firmware.release: 2.21
  dmi.modalias: 
dmi:bvnLENOVO:bvr9NCN21WW(V2.06):bd12/25/2020:br2.21:efr2.21:svnLENOVO:pn81JR:pvrLenovoYOGA730-13IWL:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct31:cvrLenovoYOGA730-13IWL:skuLENOVO_MT_81JR_BU_idea_FM_YOGA730-13IWL:
  dmi.product.family: YOGA 730-13IWL
  dmi.product.name: 81JR
  dmi.product.sku: LENOVO_MT_81JR_BU_idea_FM_YOGA 730-13IWL
  dmi.product.version: Lenovo YOGA 730-13IWL
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.114-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 23.0.2-1ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 23.0.2-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:21.1.7-1ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20210115-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.17-2build1

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