Ubuntu 16.04 Bluetooth Headphones - Failed to change profile to a2dp_sink

I have Bluetooth headphones Sony WH-1000XM3 and Ubuntu 16.04. I have successfully Paired the device but cannot change profile to a2dp. No matter what I did it keeps failing with the message...

No sound on a fresh Ubuntu 18.04.5 system with Windows 10 dual boot

I've had some trouble with sound for a few weeks already, it just doesn't produce any output on my system. I've tried submitting a bug report, but there is no answer from launchpad, the bug...

Why did apt-get purge removed nearly my whole ubuntu?

Normally I remove packages with apt-get purge <package>. But nearly an hour ago, I crashed my whole system by removing a package. I never had the problem ago, so I do not understand what my...

How to install clang on ubuntu14.04

I want to learn llvm so I have to install clang in my ubuntu 14.04,but I encounter some problems.Here it is: when I execute command:sudo apt-get install clang-3.5 I just get some error message...

GStreamer installation is missing a plug-in

I hope that someone can help with this problem, been searching for a solution for the past 2 days. To describe the problem in short: I'm trying to make a simple qt5.7 application that will stream...