I have a T450s running kernel 4.0.0-040000rc7-generic.
Buttons do work. Wifi initially did not work.
I had to manually download the appropriate .ucode file from https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi and copy it into my /lib/firmware folder.
I have a T450s running kernel 4.0.0-040000rc7 -generic. /wireless. wiki.kernel. org/en/ users/drivers/ iwlwifi and copy it into my /lib/firmware folder.
Buttons do work. Wifi initially did not work.
I had to manually download the appropriate .ucode file from https:/