From last August I don't feel any bigger trouble with it.All the installation went well. Power management ,well, we knew it. And we can live with it.In fact, did so many tweak and so many thing to get better battery time...still..
Anyway I have very little idea how to resolve that...
Lenovo Thnikpad x250 boots fine with at least 8 distro and power is fine
Anyway I have very little idea how to resolve that...