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[Dr Anirban Mitra <mitradranirban@xxxxxxxxxxx>]

I had a similar problem with my acer aspire one. Downloading and
installing the latest manline kernel  4.1.1 did not help in detection.
Then I found that newer kernel if Single is added as a boot parameter.
Once it is detected the stock ubuntu kernel 3.16 also detected the
touchpad on direct reboot. However on shutting down the laptop, the
touchpad is not detected again. Hope this helps.

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https://bugs.launchpad.net/bugs/1335463

Title:
  [Toshiba Satellite E55-A5114] ETPS/2 Elantech Touchpad not working on
  14.04

Status in linux package in Ubuntu:
  Triaged

Bug description:
  Please, guide me on the way of providing valuable information for
  fixing this bug as my girlfriend is going to kill me for needing to
  use an external mouse.

  I have installed Ubuntu on a brand new Toshiba laptop, so I haven't tested on older versions.
  It detects the touchpad as in these dmesg lines:
  [    1.788049] psmouse serio1: elantech: assuming hardware version 4 (with firmware version 0x381f01)
  [    1.815495] psmouse serio1: elantech: Synaptics capabilities query result 0x00, 0x14, 0x0c.
  [    1.945291] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input5

  System Information
          Manufacturer: TOSHIBA
          Product Name: Satellite E55-A
          Version: PSKPJU-01K023
          Serial Number: 2E028991P
          UUID: CCA7CED8-2392-E311-8FF3-201A06D83DCE
          Wake-up Type: Power Switch
          SKU Number: PSKPJU
          Family: *

  Thanks!!

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.54
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Sat Jun 28 13:20:21 2014
  HibernationDevice: RESUME=UUID=f4575df5-080f-45b4-81ec-6cc14a4a7485
  InstallationDate: Installed on 2014-05-17 (41 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: TOSHIBA Satellite E55-A
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic.efi.signed root=/dev/mapper/vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware                             1.127.4
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/02/2013
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: 1.50
  dmi.board.asset.tag: *
  dmi.board.name: ZEMAA
  dmi.board.vendor: TOSHIBA
  dmi.board.version: 1.00
  dmi.chassis.asset.tag: *
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: *
  dmi.modalias: dmi:bvnTOSHIBA:bvr1.50:bd12/02/2013:svnTOSHIBA:pnSatelliteE55-A:pvrPSKPJU-01K023:rvnTOSHIBA:rnZEMAA:rvr1.00:cvnTOSHIBA:ct10:cvr*:
  dmi.product.name: Satellite E55-A
  dmi.product.version: PSKPJU-01K023
  dmi.sys.vendor: TOSHIBA

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