fan replacement

I have a 2018 Macbook air A1932 and the fan has stopped working. I took it to a repairer who replaced the fan, he tested the new fan and said it was functional but didn't trial it while the computer was on and using CPU. Now that I have my computer back the fan still does not turn on and the...

Hi guys, I'm so sorry for asking this. But i've tried to search around but couldn't find a guide. (I've also combed through the Apple Technician Guide for it but to no avail). Is there a way to remove the fan from both the CPU heatsinks (non-destructively) cleaning and maintenance? I can see...

I have a flashed Gigabyte GV-R797OC-3GD that has served me well. However, I noticed a bearing noise at higher fan speeds. Given my system is normally very quiet, this is unpleasant. It could also indicate eventual failure. Can anybody point me to a reliable source for replacement? I see a lot of...