@IanC You can give it a go when it happens again. Besides, you can verify whether there is new driver available for the Intel 82579LM adapter. Good day.

@sheramil Thanks for your sharing, it helps a lot. If need more help, do not hesitate to contact us. Best regards.

@Kasey Could you please provide more specific symptom of the speed issue? Who is your internet service provider and what is the bandwidth you paid? What is the speed you can get normally? And what...

@Link1990 What is the model number of your TP-Link device? What is the oeprating system of your computer? Please show us a screenshot of the error message so that we can do further analysis. Thanks...

@mountain_goat What are the model number of the other powerline adapters? It starts with TL-WPA/TL-PAXX? What is the current network topology/diagram? How do you connect them to each other? With...

@MixBix You can use the TP-Link extender to boost the wifi signal; cause the TL-WPA8630 is dual band, you can order a dual band extender also, like RE200, RE350, RE650. While the extender cannot be...