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Type the following commands in the terminal: sudo apt-get install build-essential linux-headers generic wget https://github.com/lwfinger/rtl8723au_bt/archive/troy.zip unzip troy.zip cd rtl8723au_bt-troy make sudo make install Reboot and see if it works as there might still be a second part to get it working. I thought the lwfinger wifi drivers needed to ...


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I'd just post this as a comment but don't have the rep. I've been making tweaks based on this post since I got the 2015 X1 Carbon, but hadn't solved everything. I started over yesterday with a completely fresh Vivid install and was pleasantly surprised to find zero issues, as in "just works." In particular, the click buttons and trackpad are recognized and ...


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The issue appears to be lack of MST support in the Linux kernel. Upgrading to Ubuntu 15.04 with kernel 3.19 fixed the issue for me, but only after I installed the proprietary nvidia drivers.


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I personally had this issue solved with a driver update (on a laptop with mixed Intel / nVidia graphics; I updated both the Intel and the nVidia drivers). If this doesn't solve the problem for you or you can't update the drivers for any reason, the best I can give is a better workaround, i.e. once opened the lid to switch to a TTY with Ctrl+Alt+F1 and then ...



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