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Thread: Asus Zenbook Prime UX21A issues

  1. #1
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    Jun 2012
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    Asus Zenbook Prime UX21A / UX31A issues

    Hey there!

    I got my UX21A three days ago and there are some issues, using Ubuntu 12.04...
    Since, there are reports of similar (if not the same) issues on UX31A, this thread should address these two models...

    Issues:
    * some Fn-Keys do not work
    * keyboard-backlight won't turn off
    * Power-Key doesn't show Power-Menu.. it does nothing instead, when pressed..
    (* wifi disconnects often (but signal is very good!), latency is sometimes very high (up to 1000ms, but only on 802.11a - 5GHz)) -- might be just an issue for me...
    * brightness sensor (does ubuntu already handle those kind of data?)
    * keyboard-backlight turns off after closing lid and go to standby
    * standby doesn't always work when closing lid (then you have to use the Suspend-Fn-Key...)
    * power saving is not quite perfect, I only get about 5,5~6h of battery life (using same tweaks as for UX21E)
    * there are random freezes, once or twice a day, using latest (and earlier) shipped kernel of Ubuntu 12.04 (linux 3.2.0-26), this issue is not present in Kernel 3.4 and higher (using mainline kernel 3.4.0, but power consuption is ~1W higher (equals 30 minutes!) with this kernel)
    * webcam
    * incl. USB-LAN-Adapter

    Not tested yet:
    * suspend do disk
    * Micro-HDMI
    * incl. VGA-Adapter


    Now, do you have any idea, how to bring these Fn-Keys to life?

    Kind regards
    Last edited by nexero; June 25th, 2012 at 11:11 AM. Reason: forgot smth., looks like UX31A is also affected, more to add, typo

  2. #2
    Join Date
    Mar 2012
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    Mayence, Germany
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    Ubuntu 12.10 Quantal Quetzal

    Re: Asus Zenbook Prime UX21A issues

    Have you tried assigning the power key through the keyboard-> shortcuts menu?
    Last edited by howefield; June 18th, 2012 at 01:41 PM. Reason: removed the unnecessary comment.

  3. #3
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    Re: Asus Zenbook Prime UX21A issues

    Quote Originally Posted by krustenBrot View Post
    Have you tried assigning the power key through the keyboard-> shortcuts menu?
    Of Course... and it did not recognize any of those Fn-keystrokes...
    I also tried using 'xbindkeys -k': Same result..
    Last edited by nexero; June 20th, 2012 at 07:44 AM.

  4. #4
    Join Date
    Oct 2009
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    5

    Re: Asus Zenbook Prime UX21A issues

    Please please please, could you comment on fan noise? I read that the new Zenbook is quite loud, and I would like to hear some opinions before buying it, specially from Linux users

    If you could, would you record a video sample of the fan operations when the computer is doing intensive tasks? (for example running multiple echo yes > /dev/null in parallel)

    That would be awesome!

    Alessandro

  5. #5
    Join Date
    Apr 2006
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    Illinois
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    Ubuntu 12.10 Quantal Quetzal

    Re: Asus Zenbook Prime UX21A / UX31A issues

    Thanks for reporting, nexero. I'm thinking about buying a UX31A, but waiting for more reports of Ubuntu's performance on these machines. I'm definitely bookmarking this thread to keep up with any updates. What kind of battery life are you getting with the UX21A?

  6. #6
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    Re: Asus Zenbook Prime UX21A / UX31A issues

    Quote Originally Posted by LMP900 View Post
    Thanks for reporting, nexero. I'm thinking about buying a UX31A, but waiting for more reports of Ubuntu's performance on these machines. I'm definitely bookmarking this thread to keep up with any updates. What kind of battery life are you getting with the UX21A?
    You're welcome!
    I just updated the first post: I got about 5,5~6h last days, just by using Chrome and wifi with backlight set to zero (lowest value, still well readable!)

  7. #7
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    Jun 2012
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    Re: Asus Zenbook Prime UX21A issues

    Quote Originally Posted by alexcriss View Post
    Please please please, could you comment on fan noise?
    The fan is very quiet in linux. In Windows sometimes it goes up to 100% immediately which seems to be a bug. I think that's why it's mentioned in most reviews.

  8. #8
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    Jun 2012
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    Asus Zenbook Prime UX31A

    I have fiddled a bit with the screen DPI settings. Eventually i found and applied this fix: https://bugs.launchpad.net/ubuntu/+s...85/comments/10
    and now everything is fine.

    I also get almost 6 hours on battery (with the UX31A).
    The fan noise is sometimes high if the load is very high, but i would not call it disturbing. Most of the time, it runs quietly or not at all.

  9. #9
    Join Date
    Apr 2006
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    Ubuntu 12.10 Quantal Quetzal

    Re: Asus Zenbook Prime UX31A

    Quote Originally Posted by nexero View Post
    You're welcome!
    I just updated the first post: I got about 5,5~6h last days, just by using Chrome and wifi with backlight set to zero (lowest value, still well readable!)
    Quote Originally Posted by dancat View Post
    I also get almost 6 hours on battery (with the UX31A).
    The fan noise is sometimes high if the load is very high, but i would not call it disturbing. Most of the time, it runs quietly or not at all.
    Thanks, nexero and dancat! That sounds like good news on the battery life front.

    Just to update those looking to buy this laptop in the U.S: Amazon is now selling the UX31A (no longer pre-order status). They estimate that it will ship in 8-9 days.

  10. #10
    Join Date
    Dec 2009
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    Re: Asus Zenbook Prime UX31A

    Thanks, nexero and dancat! Looking forward to hearing more about how well ubuntu runs on this laptop.

    One concern of mine is how small the text will be on the 11.6 in screen. Can someone comment on this? Would you be able to post a screenshot of a web browser on www.nytimes.com with default font sizes and everything? The online reviews of the laptop running Windows seem to indicate that it is shipped with Windows set at 125% dpi scaling, so not sure if I can trust the screenshots in those reviews.

    Thanks!

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