Ma Ko, thank you for reporting this and helping make Ubuntu better. Could you please execute the following command, as it will automatically gather debugging information, in a terminal: apport-collect 1441584
** Package changed: linux-lts-utopic (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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/1441584 Title: Touchpad not recognized with only left-click working Status in linux package in Ubuntu: Incomplete Bug description: I tested this with a fresh install of Ubuntu 14.04.2 LTS on my Acer Aspire V17 Nitro in the default kernel as well as the upstream mainline kernel: Expected behavior: - When clicking in the right-bottom area, right-mouse click should be issued Actual behavior: - Clicking anywhere on the touchpad does issue a left-click - Clicking in the right-bottom area of the touchpad issues a left-click (see above) The reason why I'm filing a bug here is because it seems like the touchpad is not correctly recognized by linux, which might be an issue. I will attach everything as suggested here: https://wiki.ubuntu.com/DebuggingTouchpadDetection ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-33-generic 3.16.0-33.44~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7 Uname: Linux 3.16.0-33-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.8 Architecture: amd64 CurrentDesktop: Unity Date: Wed Apr 8 13:15:35 2015 InstallationDate: Installed on 2015-03-07 (32 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) SourcePackage: linux-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1441584/+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