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[Giacomo Rosati <jackderosis@xxxxxxxxx>]

Precise has been the first release I installed on this machine. The
touchpad never worked properly. Before updating the recent BIOS upgrade
(and also kernel upgrade), the touchpad didn't work at all, even pushing
the FN key (it didn't activate at all). In this moment, with Precise,
the touchpad is working, and it's been working for hours.

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https://bugs.launchpad.net/bugs/1197491

Title:
  [DELL Inspiron 15z 5523] touchpad not recognised

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Both in Ubuntu 12.04 and 13.04 touchpad is not recognised on DELL
  inspiron 15z 5523. The output of xinput is PS/2 generic mouse. The
  touchpad is not working at all. Except sometimes the cursor moves
  randomly.

  In Precise, after a cold boot, the touchpad works only after enabling
  it by Fn key. But, after a while the touchpad stops working, and it is
  not possible to re-enable it by Fn key. After reboot it starts working
  again.

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.3
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  jack-stable   1807 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7a10000 irq 47'
     Mixer name	: 'Intel PantherPoint HDMI'
     Components	: 'HDA:111d76e0,1028058f,00100303 HDA:80862806,80860101,00100000'
     Controls      : 23
     Simple ctrls  : 10
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=ec4d058c-8f1a-4bb2-b425-6aeb3fa0f6f5
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
  MachineType: Dell Inc. Inspiron 5523
  MarkForUpload: True
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-34-generic root=UUID=bd5ed224-ed7b-401b-88a8-2c55f4cda06b ro acpi_backlight=vendor dell_laptop.backlight=0 quiet splash
  ProcVersionSignature: Ubuntu 3.5.0-34.55~precise1-generic 3.5.7.13
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-34-generic N/A
   linux-backports-modules-3.5.0-34-generic  N/A
   linux-firmware                            1.79.4
  StagingDrivers: rts5139
  Tags:  precise running-unity staging
  Uname: Linux 3.5.0-34-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 01/29/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A03
  dmi.board.name: 0G9PXN
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A03
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA03:bd01/29/2013:svnDellInc.:pnInspiron5523:pvrNotSpecified:rvnDellInc.:rn0G9PXN:rvrA03:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron 5523
  dmi.product.version: Not Specified
  dmi.sys.vendor: Dell Inc.

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