I had an HP laptop that did that in Windows or Haiku. I rewired the fan to run 100% all of the time and aside from losing some battery time the laptop ran fine.

I had an HP laptop that did that in Windows or Haiku. I rewired the fan to run 100% all of the time and aside from losing some battery time the laptop ran fine. And when plugged into the external power supply I would run it all weekend (4-days) non-stop with no problems.