I was also missing the Button “New Hardware Support is Available” in the update messenger. I assume this was because libegl1-mesa-drivers-lts-vivid was missing.
If you add a meta package with dependency to libegl1-mesa-lts-vivid the dependencies can be resolved and the button might appear.
I was also missing the Button “New Hardware Support is Available” in the update messenger. I assume this was because libegl1- mesa-drivers- lts-vivid was missing.
If you add a meta package with dependency to libegl1- mesa-lts- vivid the dependencies can be resolved and the button might appear.