@Sunshine hello thanks for the reply. after doing some testing on some different ports; it looks like the tech who upgraded my internet has damaged the cable running through my walls that connect the...

I recently upgraded my home internet to FTTP. My internet speed was 100/20. It is now 1000/40 and my archer c64 I use is now only showing it is running at 100Mbps instead of 1000 like it was before I...