Question HP Pavilion 15 (cs0xxx) randomly crashes with screen off (only when charging)

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Feb 19, 2019
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Hi all,
I’ve been having this strange issue with my HP Pavilion 15 (model cs0xxx), and I suspect it is a BIOS update, a missing or malfunctioning driver, or (hopefully not) a hardware issue.

While I’m doing anything on my laptop (most noticeable when watching videos) and it is plugged in, it starts by lagging severely for a second, and then the laptop screen turns off and whatever was playing morphs into a buzzing sound very similar to what you hear on a BSOD. The hard drive is still spinning with no activity, but any keyboard presses or mouse input does nothing. I have to abruptly power off the laptop and turn it on.

This issue started some time after I reinstalled Windows and updated my BIOS to the latest version.

Diagnosis steps performed so far:
  1. Hard drive Surface/Sector scan (no errors)
  2. Event viewer (no indication as to what could have gone wrong, but there are messages of unexpected shutdown)
  3. Windows and driver updates where applicable.
What I may try is a BIOS Rollback... not sure if that will work.
Does anyone have any suggestions or ideas as to what may be happening? Thank you!
 
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