Hi there, welcome to the forum.
We need your detailed specs, with the output of garuda-inxi, as required in the topic template.
If you don’t have an Ethernet connection, use your mobile phone in tethering.
You will need it anyway, since most likely it is a matter of installing the right driver.
First of all, when connected in tethering, update your system (this could be enough sometimes) with:
garuda-update
If that doesn’t help, there are many solutions in our forum for your chipset. I’d start from this one, whose solution did not require connectivity probably: