Are you still experiencing this problem in 16.04 after updating the system?
It sounds like the Synaptics Xorg driver knows about your touchpad but might be ignoring it: [ 44.044] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found [ 44.045] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse0) [ 44.045] (**) SynPS/2 Synaptics TouchPad: Ignoring device from InputClass "touchpad ignore duplicates" Also, if you can then please try Ubuntu 18.04 and tell us if that has the same problem: http://releases.ubuntu.com/18.04/ ** Package changed: xorg (Ubuntu) => xserver-xorg-input-synaptics (Ubuntu) ** Changed in: xserver-xorg-input-synaptics (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1758083 Title: Must used usb mouse. Touchpad not working any more. Status in xserver-xorg-input-synaptics package in Ubuntu: Incomplete Bug description: Hello Team, I've been working on Ubuntu 16.04 for quiet long time without any problem. Today on 22 March 2018 after: initramfs-tools: return code error(1) many times and i try to fix it. [ 2.346546] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* uncleared pch fifo underrun on pch transcoder A [ 2.346575] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun [ 23.372139] Bluetooth: hci0: download fw command failed (-19) user@user-SATELLITE-PRO-C850-1GR:~$ sudo systemctl status console-setup.service ● console-setup.service - Set console font and keymap Loaded: loaded (/lib/systemd/system/console-setup.service; static; vendor preset: enabled) Active: active (exited) since jeu. 2018-03-22 15:11:11 CET; 45min ago Docs: man:loadkeys(1) Process: 380 ExecStart=/bin/setupcon --save (code=exited, status=0/SUCCESS) Main PID: 380 (code=exited, status=0/SUCCESS) CGroup: /system.slice/console-setup.service mars 22 15:11:04 user-SATELLITE-PRO-C850-1GR systemd[1]: Starting Set console font and keymap... mars 22 15:11:11 user-SATELLITE-PRO-C850-1GR systemd[1]: Started Set console font and keymap. I used to work without any mouse but now i have to. Can you help me to have my old setting? By the way, the last program i downloaded was BleachBit. Since, everything is slow. top - 16:06:41 up 55 min, 1 user, load average: 0,29, 0,25, 0,41 Tâches: 221 total, 1 en cours, 220 en veille, 0 arrêté, 0 zombie %Cpu(s): 10,3 ut, 3,4 sy, 0,0 ni, 75,0 id, 11,3 wa, 0,0 hi, 0,0 si, 0,0 st KiB Mem : 3926552 total, 441460 libr, 1789196 util, 1695896 tamp/cache KiB Éch: 4073468 total, 4073468 libr, 0 util. 1558972 dispo Mem Regards, Pc details: Memory :3,7G Processor: Intel® Celeron(R) CPU 1000M @ 1.80GHz × 2 Graphic cart: Intel® Ivybridge Mobile Ubuntu 64 bits Drive: 310,8 Go. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 ProcVersionSignature: Ubuntu 4.4.0-116.140-generic 4.4.98 Uname: Linux 4.4.0-116-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Thu Mar 22 15:42:30 2018 DistUpgraded: 2017-02-22 23:31:23,645 DEBUG icon theme changed, re-reading DistroCodename: xenial DistroVariant: ubuntu GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0156] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Toshiba America Info Systems 3rd Gen Core processor Graphics Controller [1179:fb31] InstallationDate: Installed on 2017-02-14 (401 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: TOSHIBA SATELLITE PRO C850-1GR ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-116-generic root=UUID=7fb4250f-9d1a-471c-92be-f41b8c531aa1 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: Upgraded to xenial on 2017-02-22 (392 days ago) dmi.bios.date: 10/24/2012 dmi.bios.vendor: Insyde Corp. dmi.bios.version: 6.20 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: PLCSF8 dmi.board.vendor: Intel dmi.board.version: Type2 - Board Version dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: OEM Chassis Manufacturer dmi.chassis.version: OEM Chassis Version dmi.modalias: dmi:bvnInsydeCorp.:bvr6.20:bd10/24/2012:svnTOSHIBA:pnSATELLITEPROC850-1GR:pvrPSCBXE-01T01GFR:rvnIntel:rnPLCSF8:rvrType2-BoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion: dmi.product.name: SATELLITE PRO C850-1GR dmi.product.version: PSCBXE-01T01GFR dmi.sys.vendor: TOSHIBA version.compiz: compiz 1:0.9.12.3+16.04.20180221-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.83-1~16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.8-0ubuntu0~16.04.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.8-0ubuntu0~16.04.1 version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Thu Mar 22 15:11:28 2018 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 9196 vendor AUO xserver.version: 2:1.18.4-0ubuntu0.7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/1758083/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp