Ok, I don't have much knowledge about what is going on, but after some research I found that the following line in the dmesg could be related to the issue:
[ 3.139131] i2c_hid i2c-ELAN0612:01: i2c-ELAN0612:01 supply vdd not found, using dummy regulator Also, there was a commit in the linux code recently, for the kernel release 4.18: https://github.com/torvalds/linux/commit/e6e7e9cd8eed0e18217c899843bffbe8c7dae564 Does this fix the bug? -- 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/1777145 Title: Touchpad not detected Status in linux package in Ubuntu: Confirmed Bug description: The touchpad on my laptop is not working at all, i.e. moving the cursor, clicking, scrolling doesn't work. Using Windows, it works. An external mouse also works. I followed this description (https://wiki.ubuntu.com/DebuggingTouchpadDetection) which lead me to file this bug report here. Laptop Model: Lenovo V330-14IKB Model Name: 81B0 S/N: MP1D0PVX MTM: 81B0004RGE MO: MPNXB811601Q Ubuntu Version: 18.04 LTS Ubuntu 4.15.0-23.25-generic 4.15.18 The touchpad has never worked from the beginning and seems to be not detected. I will attach the outputs of - dmesg - /proc/bus/input/devices - cat /proc/version_signature > version.log - sudo lspci -vnvn > lspci-vnvn.log To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777145/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp