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6 months agoAgree with the other 2 replies that hammering the dyndns server every minute is excessive and you should only send them updates when your IP address actually changes.
You should also check the TTL on the primary name server (the dyndns server) and the DNS server you use (likely your ISP’s DNS server).
https://johncireland.wordpress.com/2020/09/07/viewing-dns-record-ttl-on-windows/
The dyndns server probably has it configured right and it should have a low TTL like 5 minutes or below, but sometimes the DNS server you use can be a server that ignores TTL and caches the result for longer than expected. I don’t think this is the problem if multiple of your friends are having the same problem but it doesn’t hurt to check.
Make sure it is of the right kind. M.2 Wi-Fi slots are key E, M.2 SSD slots are key M (mostly) and cards made for 1 kind does not fit the other.
If the slot is for Wi-Fi it should have PCIe as that is what most Wi-Fi modules connect to. USB is used for Bluetooth mostly.