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    Anybody with an M1530 with the latest BIOS have a working touchpad in Ubuntu?

    Discussion in 'Dell XPS and Studio XPS' started by jcm4, Dec 8, 2008.

  1. jcm4

    jcm4 Notebook Evangelist

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    Topic. Mine goes CRAZY if I try to touch it.
     
    jcm4, Dec 8, 2008
    #1
  2. arjunned

    arjunned Notebook Deity

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    You have to add the following to your kernel boot command line:
    Should work then.
     
    arjunned, Dec 8, 2008
    #2
  3. paladin732

    paladin732 Notebook Enthusiast

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    I have that in my kernel boot command and it STILL goes crazy from time to time. Does anyone else have that problem?

    It happens in both Vista and Ubuntu (more in ubuntu) and happens to both my 1530 and my boyfriends AND it seems to fix itself only when you smack the touchpad. Which leads me to believe that the touchpads are defective. However, we have been through several of them with the same issue.

    (Yes, I am using bios A12 or whatever the latest is)
     
    paladin732, Dec 8, 2008
    #3
  4. jcm4

    jcm4 Notebook Evangelist

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    Didn't work for me...
     
    jcm4, Dec 8, 2008
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  5. anthonyrhook

    anthonyrhook Newbie

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    Dell XPSM1530
    Ubuntu 8.10
    2.6.27-9-generic
    BIOS A12

    I did upgrade from A07 to A12 and having the similar touchpad problems. A USB mouse works correctly. I've tried downgrading to A11, and the problem still persisted. I've also tried downgrading back to A07 and the touchpad worked properly.

    I have opened a bug report at https://bugs.launchpad.net/ubuntu/+bug/306904. (apparently I can't post a URL to another site if I haven't submitted 15 posts).

    As of now, I don't know if the problem is the BIOS, kernel, or synaptic driver. For now, I'm using A07 until I can get the problem figured out.
     
    anthonyrhook, Dec 10, 2008
    #5
  6. escalera

    escalera Notebook Guru

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    Arjunned code was correct but he forgot to mention how to specifically do it for your guidance. You need to edit your menu.lst to include the i8042.nomux=1.

    Things you need to do:

    1. You must first backup your menu.lst by doing this on the terminal window : sudo cp /boot/grub/menu.lst /boot/grub/menu.lst_BU
    - Use this file to restore menu.lst if the changes fail.
    2. Edit the menu using the command: sudo gedit /boot/grub/menu.lst
    3. Then put the code i8042.nomux=1 like this: (Find the part in the menu.lst that looks like the sample below then insert the mentioned code.)

    title Ubuntu 7.10, kernel 2.6.22-14-generic
    root (hd0,0)
    kernel /boot/vmlinuz-2.6.22-14-generic root=UUID=446ea0c7-57b1-4112-939c-3f1d74be9f5f ro quiet splash i8042.nomux=1
    initrd /boot/initrd.img-2.6.22-14-generic quiet

    4. Then save it. Restart. Should be working good.
    5. Do it over again if you install new kernel.

    Hope it helps.
     
    escalera, Dec 11, 2008
    #6
  7. anthonyrhook

    anthonyrhook Newbie

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    This fix did work for me, Thanks.


     
    anthonyrhook, Dec 14, 2008
    #7