New answers tagged thinkpad
So, at first I was thinking it's most likely a problem with some BIOS startup settings, since that seems to be the most common problem in cases like mine, but as it turns out, that wasn't it. Now I found a solution myself, described below. I still don't know why it works, but here's the how... The problem seems to be that I initially created the bootable ...
It looks like this webcam is not supported yet. Here is the bug report. https://bugs.launchpad.net/ubuntu/+source/linux-lts-utopic/+bug/1433906
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.
I had this working on a Dell E6520 with the eport+ docking station on Ubuntu 14.04.1. The drivers that I had working correctly were the following packages. Once I got them working I then pinned them through synaptic. libcuda1-331_331.38-0ubuntu7.1_amd64.deb nvidia-331_331.38-0ubuntu7.1_amd64.deb nvidia-331-uvm_331.38-0ubuntu7.1_amd64.deb ...
I'm having similar problem with Lenovo ThinkPad L540 - on battery FPS in 3D game are around 70, when on AC power, FPS drops to 20. Finally I've found why. Have a look at the power adaptor. I have output 3.25A. I tried to plug 4.5A and the problem dissappeared! Sorry for posting in "Ubuntu" forum since I have W8 :-) But I think that doesn't change anything. ...
Starting with Ubuntu 15.04, ClickButtons seem to work automatically, so there's no longer any action needed to make them work.
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