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I am using Ubuntu 10.10. I have my touchpad working till the gnome login screen. But once I login it doesn't work.

tail /var/log/Xorg.0.log gives me this error.

[    42.610] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
[    42.690] (--) SynPS/2 Synaptics TouchPad: touchpad found
[    42.690] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse1)
[    42.690] (II) No input driver/identifier specified (ignoring)

I guess I have to add the touchpad driver (synaptics) in Xorg configuration file. But any idea in which section and which syntax?

[EDIT]: Well, i have an aspire 4520. amd64x2 processor, synaptics touchpad [EDIT]: Adding the config file in the given answer doesn't work.The problem stays in xmonad too.

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Just for completeness: Which hardware do you have? –  slhck May 14 '11 at 10:26

1 Answer 1

Maybe you can try to create the file: 50-synaptics.conf in /usr/share/X11/xorg.conf.d/

The follows is mine:

Section "InputClass"
    Identifier "touchpad catchall"
    Driver "synaptics"
    MatchIsTouchpad "on"
        option "VertTwoFingerScroll" "true"
        option "EmulateTwoFingerMinZ" "60"
        option "EmulateTwoFingerMinW" "10"
    MatchDevicePath "/dev/input/event*"
EndSection

It will give you an emulation of two finger operation as well.

Hope this helps.

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