One remaining problem with Timo's kernel is that Fn-F7 does not work, which amongst other things means if the laptop ever gets confused with the internal display off there is no escape other than hard-rebooting.
One remaining problem with Timo's kernel is that Fn-F7 does not work, which amongst other things means if the laptop ever gets confused with the internal display off there is no escape other than hard-rebooting.