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Originally Posted by The Bad Guy
On my wife's laptop got an error yesterday - 90b on startup that says something wrong with cooling fan.
I updated BIOS because it appeared that the fan was working some but it's not working at all now.
I'm looking to purchase a replacement fan but haven't gotten the slightest idea what to even look for. Some say you need fan and heatsink, some say you don't.
It's an HP Pavilion G7 - model A6Z19UA#ABA.
Can anyone lead me where to potentially purchase a good replacement?
How difficult are fans to replace in laptops?
Thanks in advance for any help.
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Most laptops have some level of integrated fan/heatsink, requiring you to change out the whole thing.
In general they aren't hard to replace though, once you figure out how to get the thing apart. Laptops aren't always intuitive when it comes to cracking the case and exposing the motherboard.
I will say a quick Google of "G7 replacement fan" suggests this might be a common problem.
The first thing I would do is take the laptop apart, expose the fan, and make sure it's not obstructed. I've seen some pretty poor airflow designs in laptops, which generally pull air from the bottom and blow it out the side. This 90-degree angle tends to collect dirt/dust/hair IN the fan itself, leading to heat buildup.
If it's not obstructed and truly not spinning, post back and we'll work on getting you a replacement.