为何清洁风扇后HP Pavilion DV6-6b51ea仍出现System Fan (90B)错误？

Hey everyone,

I’ve had my HP Pavilion DV6-6b51ea for 6 years now. Over the last month, the fan has been running really loudly (it’s still noticeably noisy to this day), and for the past two weeks, I’ve been getting occasional System Fan (90B) error pop-ups.

I tried cleaning the air vents with a compressed air can without taking the laptop apart a few days ago, but the error still pops up every now and then.

Quick note: 5 months ago, I had a technician take the laptop apart to clean the fan dust and replace [the original content cuts off here...]

内容的提问来源于stack exchange，提问作者Graham