Comment 0 for bug 1641732

Device
$ xinput --list --short 12
SynPS/2 Synaptics TouchPad id=12 [slave pointer (2)]

$ xinput --list-props 12
...
libinput Tapping Enabled (296): 0
...

When you turn on your computer is not working tap on the touchpad. Included if you write in the terminal:
xinput set-prop 12 296 1

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: xinput 1.6.2-1
ProcVersionSignature: Ubuntu 4.8.0-26.28-generic 4.8.0
Uname: Linux 4.8.0-26-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
CurrentDesktop: XFCE
Date: Mon Nov 14 22:43:15 2016
SourcePackage: xinput
UpgradeStatus: No upgrade log present (probably fresh install)