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3

You need to install the Nvidia module (a.k.a "driver") and also a switch utility. Run in a terminal: sudo apt-get install nvidia-331 nvidia-prime and reboot. Without the module, both Nvidia and Intel adapters consume power and that is why the laptop is overheating. You can check which adapter is working by: prime-select query Switch to Nvidia by: ...


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I have found solution which worked for me: sudo -E env "PATH=$PATH" n stable Found it here: http://stackoverflow.com/a/29400598/861615


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You can fix it by turning off bluetooth and wireless coexistence. Run in terminal sudo tee /etc/modprobe.d/iwlwifi.conf <<< "options iwlwifi bt_coex_active=N" and reboot. It looks like kernel developers have overdone that functionality slightly ;-) This setting can be always undone by sudo rm /etc/modprobe.d/iwlwifi.conf You can read this ...


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It's never a good thing to try and mix kernels from other versions of Ubuntu; it's not even something I would try to do: I would just upgrade to that version... (and getting kernels from another version is not supported here neither). Therefore, just restore the system backup you took before you tried to do this... Oh? Right! You don't have a system ...


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You can install java-common by: sudo apt-get install java-common In addition sudo apt-cache show java-common will show you more information about the package, like the one below (some information removed for clarity): Package: java-common State: installed Automatically installed: yes Multi-Arch: foreign Version: 0.52 Priority: ...


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The only build for Trusty is the current unstable build. That might be fine or you could build the development copy from source. This is all extremely documented. Here's how I'd install from the unstable packages: Download the SDK deb installers and install. Optionally do the same for the samples (same link) Follow the tutorial to test the samples. ...


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This can be done, albeit with a lot of work - so is not really worth it. Your best bet is to install 14.04 from scratch - ie. a fresh install. However, if you really want to do a downgrade, take a look at this answer.


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Because there can be different versions of grub in different version of Ubuntu, it is better to use the same Grub as in the original installation, in your case 12.04. You can get the 12.04 ISO image for your system by going here and burn it to a USB using tools such as UNetbootin. Once you have that you can follow the instructions in How can I repair grub? ...



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