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I've had a similar problem on my Lenovo Y50 (rtl8723be), where wifi would disconnect with random intervals (between 5-10 minutes) I found this thread that matched my problems: http://ubuntuforums.org/showthread.php?t=2262957 where user Pilot6 suggests to update drivers from this repository https://github.com/lwfinger/rtlwifi_new and it looks like it has ...


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I have the same problem with a Lenovo Thinkpad E540, after some research the solution that I found was the following: 1) Remove the BIOS Battery, this can be easily done without mayor tools, it only takes a small Phillips screwdriver since the BIOS battery is located under a small rectangular cap in the back of the laptop. 2) Wait around 10 seconds and ...


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I have had exactly the same problem with my T540p on Ubuntu 14.04 for the past two months and It's been a week that I (manually) upgraded the kernel to (the official) 4.1.3 and eventually the problem is gone. Previously, I was using 3.19.x. I guess, that's because newer (> 4.0.0 version) kernels have better support for Realtek wireless cards!


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It can be made just typing the following commands xmodmap -e 'keycode 166=Prior' xmodmap -e 'keycode 167=Next'


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Please check out this: Kubuntu 15.04 nvidia optimus. This should help you get everythihg working very smoothly with docking/undocking as well. /edit Unless I am mistaken and your laptop does only have the Intel, and not the Nvidia as well. In which case I might be of no help for you.


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I had the same setup and was having all sort of problems with my display as well. The best solution I could find was to upgrade to the latest kernel. It is very easy and has solved numerous problems for me. Detailed information can be found here: How to update kernel to the latest mainline version without any Distro-upgrade?


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You should hit Shift during boot and get to the terminal and update everything: sudo apt-get update sudo apt-get upgrade


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tp-smapi doesn't support your hardware. Your output shows that tpacpi-bat works. Try to recalibrate your battery as described in the manual. EDITH: i had a closer look into your output. Your battery doesn't need recalibration (design cap 0 56040 mAh vs. last full = 55950 mAh). So i guess the reason for your fast battery drain is something else, probably ...


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We had the same problem (on a T520), and thanks to Honza's answer, we found that using a 90W adapter instead of the 65W adapter fixed the problem for us too (thanks!). After some googling, I found an explanation here: http://linux-thinkpad.10952.n7.nabble.com/WARNING-Lenovo-ThinkPads-and-65W-power-supplies-td13173.html Basically according to this post "the ...


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There is some clean solution that works on Ubuntu 14.04. I obtained it by running gnome-tweak-tool -v -d. The solution is: gsettings set org.gnome.settings-daemon.plugins.xsettings overrides "{'Gtk/EnablePrimaryPaste': <0>}" It can be done in dconf-editor as well: org->gnome->settings-daemon->plugins->xsettings --->>> overrides and put ...



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