Synaptics touchpad no more working after disribution upgrade

[Rosca Stefan]

Binary package hint: xorg

After last system upgrade touchpad area not working but buttons (left,right click) still work. With an usb mouse system is working fine. I reinstalled xorg (input , synaptic driver) but nothing helps

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6~3ubuntu7
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,snap,move,vpswitch,place,regex,gnomecompat,mousepoll,resize,wall,session,animation,thumbnail,expo,ezoom,workarounds,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
DRM.card0.DIN.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1440x900 1280x854 1280x800 1280x720 1152x768 1024x768 800x600 848x480 720x480 640x480
 edid-base64: AP///////wBMo0c4AAAAAAAQAQOAJRd4Cof1lFdPjCcnUFQAAAABAQEBAQEBAQEBAQEBAQEBnyWgQFGEDDBAIDMAb+YQAAAZAAAADwAAAAAAAAAAAHjmAiMAAAAA/gBTQU1TVU5HCiAgICAgAAAA/gBMVE4xNzBYMi1MMDIKAPE=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
Date: Wed Feb 23 22:55:52 2011
DistUpgraded: Yes, recently upgraded Log time: 2010-12-07 01:51:31.484024
DistroCodename: natty
DistroVariant: ubuntu
GraphicsCard:
 ATI Technologies Inc Radeon HD 2400 XT [1002:94c8] (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:011f]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: Acer Extensa 7620
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 LC_MESSAGES=en_US.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-5-generic root=UUID=607e8a78-d543-4d6c-8a8f-7f64af2a8c2a ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
Symptom: display
dmi.bios.date: 07/03/2008
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.35
dmi.board.name: Tangiz
dmi.board.vendor: Acer
dmi.board.version: Rev
dmi.chassis.asset.tag: None
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.35:bd07/03/2008:svnAcer:pnExtensa7620:pvr0100:rvnAcer:rnTangiz:rvrRev:cvnAcer:ct10:cvrN/A:
dmi.product.name: Extensa 7620
dmi.product.version: 0100
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu11
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu7
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A