Sourcing a PC fan ...

no, it isn't.

you could probably soak it in isopropyl alcohol and blow dry it

Shame I skipped my two acer laptops.

Laptop model is a more relaible guide

Any of these look OK?

on 13/11/2021, Jethro_uk supposed :

It should be possible to clean the fan and CPU heatsink out, if that is all that is wrong with it. It comes from not using it on a flat surface, cut a bit of 6mm ply, to put it on - so it gets a proper/ cleaner airflow.

The Natural Philosopher expressed precisely :

This one I think...

You need the service manual for the laptop, for a parts listing.

What model is it? Part number?

Be specific with what's on the back plate (normally that which mentions the PSU voltage and serial number). On the front, Acer (same with other manufacturers) place a "model number" that is a bit more generic covering several SKUs.

Adrian Caspersz has brought this to us :

When I had to replace my Acer's fan, I found an 'how to access it' video on Youtube. I suspect this might be the same or a very similar laptop. Make a note of which screw comes from where, some are same thread/different lengths.

Chop up a disposable facemask and tape part of it over the fan to collect dust and detritus before it gets to the fan blades.

Thanks both. Looks like I'll have to contact them individually.

I've tried to avoid cleaning as it's fiddly and doesn't seem effective unless you soak the fan - at which point the bearings can be ruined.

No. They are phosphor bronze plain bearings. Ive had a lot of experience on cheap model plane motors. They come apart and clean up well with alcohol, and light oil is then used to soak the bearings. Unfortunately if they have become dry they will almost certainly be run out and wobble even after freeing up.