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What's DOS?
Posts: 1
Registered: ‎01-27-2019
Location: US
Views: 95
Message 1 of 1

Yoga 14 freezes when plugged into AC and resumes if unplugged then plugged back in



I have a Yoga 14 20FY0002US running Win 10 Home. BIOS 1.49.


Once in a while, the laptop will freeze if it is running on AC power. If I disconnect and reconnect the AC power, the laptop becomes responsive. I haven't detected a pattern.


Naturally, if I'm at the computer, it isn't a big deal. But I use it to control a lab instrument and it needs to run experiments for hours at a time. Right now, my only "fix" is to use battery power (it hasn't frozen yet).


Any solutions for this?


I am VERY reluctant to update my BIOS (from 1.49 to 1.57). The last time I tried that, it bricked the laptop and had to go back for factory repair.



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