I used a TL-WN821N V5 adapter to connect to a hotspot on my mobile. I switched to TL-WN722N V3, got the latest driver for Windows 10 (64), installed it correctly, but the card's operation is extremely unstable. It either shows that there are no networks available (although I'm perfectly sure there are); or shows the networks, but whenever I'm trying to connect it says "cannot connect to that network"; and sometimes it does even connect, but drops the connection after a short while, and after that again it says that there are no available connections. As a result, I decided to revert to TL-WN821N V5. I uninstalled the driver for TL-WN722N V3 and installed the driver for TL-WN821N V5 again, but now the problem is also there for the old TL-WN821N V5! Exactly the same symptoms, although before installing the new adapter everything worked perfectly.
I followed instructions described here:
apart from the last one - get another adapter. I'd appreciate any comments or ideas about what else I could do, if not to use the new adapter, then at least to be able to use the old one. Thanks in advance!