@Relutzzzu Hi, thanks for posting question here. It seems that you tried two methods at the same time. You may follow the instructions in this guide to try again.

@mazerCc Hi, thanks for posting question here. Are you always using the original power adapter and plug it into normal power socket? If not, we are not sure whether the router can work properly....

@Ant_Piercey Hi, thanks for posting question here. Dynamic IP should be the internet connection type provided by your ISP, also decided by your network topology. When the internet stopped working, if...

@Nautilus_1999 Hi, thanks for posting question here. I searched and found your Huawei HG659 router seems a DSL modem router, but Archer BE800 is a wireless router. If you used Huawei HG659 router as...

@K_Adrian Hi, I have sent you a message about the solution. Please feel free to try that.

@Alarson Hi, thanks for posting question here. If you connect your device to EX920 directly via same Ethernet cable, can you get stable connection? If so, you may take a further check on your switch....