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    [SOLVED] Re: 12.04 draining battery on ThinkPad T420

    I'm on Xubuntu as well. I'll try to see for myself is there's any tests I should run and will report back if I find anything.
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    [SOLVED] Re: 12.04 draining battery on ThinkPad T420

    Yes for 12.04, Yes for TLP. Yes everything is fully up to date.

    My battery is degrading, I know, as made evident from acpi.

    I'm currently under windows now (to test this power, I installed a...
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    [SOLVED] Re: 12.04 draining battery on ThinkPad T420

    I've heard about this. I'm going to try to switch to fx for the day and see what happens then report back.

    I have graphics switched off as well though I do have bumblebee setup.

    Edit: Here's...
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    [SOLVED] Re: 12.04 draining battery on ThinkPad T420

    I don't know if it is my battery weakening or the days are hot.. but I'm barely getting 2 hours now (used to be about 4, I keep my max charge at 80%)

    Currently using about 16.7 W of power. I only...
  5. [ubuntu] Re: Thinkpad T420s 11.10 (Oneiric) Setup Notes!

    Just upgraded to 11.10

    On 11.04, I used to have around 48C and Fans around 1900 RPM. Right now I'm hanging at around the same temperature with 3000 RPM.. Any idea what's causing that? (I'm using...
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    [ubuntu] Re: Ubuntu 11.04 on a Thinkpad T420

    Most things works under T420 for 11.04, though a couple of workarounds are needed as indicated by a couple of threads in the forum.
  7. [ubuntu] Re: Natty and ThinkPad docking station (T420)

    Isn't it a little late to post about natty things?

    Should start looking at 11.10 atm: http://ubuntuforums.org/showthread.php?p=11326588
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    [all variants] ThinkPad T420 11.10 issue tracking

    For those ThinkPad T420 owners (I know there are at least half a dozen of you), I thought i'd create an issue tracker like the threads we had for 11.04:
    ...
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    [ubuntu] Re: Ubuntu 11.04 on a Thinkpad T420

    Backlight? What backlight? Thinklight? That works perfectly for me by just doing Fn + PgUp.

    Does disabling EFI have any other side effects?

    Also, thread for 11.10:...
  10. [ubuntu] Re: 64bit Natty and Intel Sandy Bridge (ThinkPad T420)

    Quick tip: If you unplug the VGA and your desktop is black with only the mouse movable. close the lid to put the laptop to sleep and open it back up. That solves it.
  11. [ubuntu] Re: 64bit Natty and Intel Sandy Bridge (ThinkPad T420)

    Don't bother. I don't think it works as it seems unrelated.

    Also are you experiencing issues with unpluggin VGA? I get hard freezes via that as well.
  12. [ubuntu] Re: 64bit Natty and Intel Sandy Bridge (ThinkPad T420)

    I'm experiencing the same freezes. What kernel modules do you have loaded? I'm pretty sure this has to do with pluggin the computer into power or off power. If you didn't do it and still get those...
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    [ubuntu] Re: Ubuntu 11.04 on a Thinkpad T420

    When I unplug my VGA cable, the entire interface freezes..

    Is anyone also experiencing the same issue?
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    [ubuntu] Re: Ubuntu 11.04 on a Thinkpad T420

    I have the same issue. I think this is related to power unplugging/plugging in. The thinkpad sometimes will have power connection problem..
  15. [ubuntu] Re: 64bit Natty and Intel Sandy Bridge (ThinkPad T420)

    Yes I had to do that (the boot option thing).

    Also is anyone experiencing flaky wireless while ethernet is completely fine (and other wireless devices are fine)?
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    [ubuntu] Re: Ubuntu 11.04 on a Thinkpad T420

    How did you guys get external monitor working? Everytime I unplug my monitor from VGA, I get only the cursor, which turns into colored bars. CTRL+ALT+F2 doesn't work either, which will actually hide...
  17. [ubuntu] Re: 64bit Natty and Intel Sandy Bridge (ThinkPad T420)

    It took a lot of config to get all the thing work.. Unfortunately I didn't have foresight to record all the things I did to get it working... -.-

    I also had to config grub's boot option to disable...
  18. [ubuntu] Re: 64bit Natty and Intel Sandy Bridge (ThinkPad T420)

    I applaud this movement.

    A comprehensive guide with how to get the T420 working with ubuntu as much as possible (hardware related only) would be awesome too, as I'm going to be testing out that...
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    [all variants] Re: ATI Switchable Graphics Thread

    Is there anyone experiencing memory leak like issues after patching the kernel?

    Symptom: http://askubuntu.com/questions/51785/swap-shoots-to-100-after-a-couple-of-hours-of-usage
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    [all variants] Re: ATI Switchable Graphics Thread

    I have ATI HD5650 and Intel i5 m430. Lenovo Y460.
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    [all variants] Re: ATI Switchable Graphics Thread

    Good news! I'm able to get the ATI drivers working, but only with Kernel 2.6.39-2+.

    Get that, and use the following command for 64bit systems and ubuntu 11.04. you can change the commands below...
  22. [ubuntu] Re: 11.04 / Catalyst 11.4 / Radeon HD6600m / Sony Vaio VPCSB

    Can anyone using the blacklisting method get a secondary display working without flickering/tearing?

    IdeaPad Y460 HD5650/Intel
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    [all variants] Re: ATI Switchable Graphics Thread

    Don't use unity, and use my method above your post. That should make it usable.

    I have problems, though, most of them can be listed here:

    http://thekks.net/1293 (scroll to ubuntu)
  24. [ubuntu] Problem with logoff, shutdown, and reboot

    Everytime I log off, I get booted to console and get this error:



    I'm on an IdeaPad Y460 and I have an ATI HD 5650 powered off using this method:...
  25. [SOLVED] Re: natty: vgaswitcheroo, blacklist and modprobing!

    Anyone solved the shutdown issue?

    I can't shutdown or reboot without hard resetting.
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