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Installing KDE broke Unity Volume/Screen controls

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I have been using Unity for a long time but decided it was time to give another envornment a try. I installed KDE Plasma on my machine and kept LightDM as my display manager. Logged in using KDE to play around and everything was fine.

Upon switching back to Unity I have found my volume and screen brightness controls no longer work. They do still work when running Plasma but do not in Unity anymore. Something during the Plasma install must have broken something in Unity.

I tried the simple fix of killing pulseaudio removing the configs and restarting it (both restarting the daemon and the machine) but neither worked. Looking online there are lots of different debugging steps I can take but since I know what caused the breakage I thought I'd ask here if anyone has any ideas of what installing KDE could do that would break Unity like tihs before I dive into installing Alsa, updating my grub and system setting, re-installing lightDM, etc.

I am running Ubuntu 18.04 with Unity 7. Please let me know if anyone has any ideas of what the potential problem is or what additional information I should provide that may help out.

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