Comment 0 for bug 1700657

Touchpad is not automatically detected in 14.04, 16.04 or 17.04. I tried in live mode and after full installation. I was able to connect an external mouse and a bluetooth mouse and both worked. I checked my xinput list and no sign:

⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ Wacom HID 50FE Finger touch id=12 [slave pointer (2)] ⎜ ↳ Wacom HID 50FE Pen stylus id=13 [slave pointer (2)] ⎜ ↳ Wacom HID 50FE Pen eraser id=16 [slave pointer (2)] ⎜ ↳ byron's trackpad id=17 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Power Button id=6 [slave keyboard (3)] ↳ Video Bus id=7 [slave keyboard (3)] ↳ Video Bus id=8 [slave keyboard (3)] ↳ Power Button id=9 [slave keyboard (3)] ↳ Apple Inc. Magic Keyboard id=10 [slave keyboard (3)] ↳ EasyCamera id=11 [slave keyboard (3)] ↳ Ideapad extra buttons id=14 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=15 [slave keyboard (3)]

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: linux-image-4.10.0-24-generic 4.10.0-24.28
ProcVersionSignature: Ubuntu 4.10.0-24.28-generic 4.10.15
Uname: Linux 4.10.0-24-generic x86_64
ApportVersion: 2.20.4-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: byron 1794 F.... pulseaudio
CurrentDesktop: Unity:Unity7
Date: Mon Jun 26 16:51:37 2017
InstallationDate: Installed on 2017-06-26 (0 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
MachineType: LENOVO 80X7
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-24-generic.efi.signed root=UUID=39280165-1a70-4b0d-b1fa-3b01e8bc1e25 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.10.0-24-generic N/A
 linux-backports-modules-4.10.0-24-generic N/A
 linux-firmware 1.164
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/12/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: 4MCN20WW(V1.06)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Lenovo YOGA 720-15IKB
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 720-15IKB
dmi.modalias: dmi:bvnLENOVO:bvr4MCN20WW(V1.06):bd04/12/2017:svnLENOVO:pn80X7:pvrLenovoYOGA720-15IKB:rvnLENOVO:rnLenovoYOGA720-15IKB:rvrSDK0J40709WIN:cvnLENOVO:ct31:cvrLenovoYOGA720-15IKB:
dmi.product.name: 80X7
dmi.product.version: Lenovo YOGA 720-15IKB
dmi.sys.vendor: LENOVO