I just tried Kernel version
Linux tango-x240 4.7.0-040700rc2-generic #201606051831 SMP Sun Jun 5 22:33:44 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
as advised. The issue persists in the same way as with my original kernel (middle click works occasionally).
I just tried Kernel version
Linux tango-x240 4.7.0-040700rc2 -generic #201606051831 SMP Sun Jun 5 22:33:44 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
as advised. The issue persists in the same way as with my original kernel (middle click works occasionally).