THIS is the answer, the one and only answer. Let's try to get Lenovo to make a patch for it: Bios update made no difference for me with the same reduced speed cpu. I installed ThrottleStop8 and turned off BD PROCHOT and I now have a usable and quite fast machine. 01/26/2016 by kim The bug seems to be only in Windows 10. Windows 8.1 worked (when the computer was new) without problems. Also Ubuntu works without any problems at all.