12-03-2018 08:09 PM
Excact the same problem with an Ideapad 520s 80X2.
I replaced the laptop in the DOA period and the new one slows down thw same way i.e. when it is in sleep mode or in power off mode.
I suspect the bios update which I performed in both laptops immediately after setting up the windows.
Lenovo has something to do with this bug.
12-03-2018 09:51 PM
Glad to know that I'm not the only one experiencing this problem. Unfortunately I returned the 2nd laptop, and now I can no longer perform any more test regarding this subject.