@EyadB How far is RE450 from your router? Many walls. The wifi signal can be weaken by the walls and obstacles, if that's too much, RE450 may not connect to the wifi. Please check this: How to...

@AndreasW Dear customer Our new official version of tpplc utility supporting Mac OS Catalina will arrive soon. Please pay attention to our official website. BTW, where have you downloaded the upgrade...

@Weakpoint Hi there I can explain this for you: 1. First of all, the 850Mbps speed showing in your tpplc utility software is just the theoretical powerline speed. 2. In actual transimission, the...

@Zxcvbnm Please reset RE, check below. How to hard reset TP-Link wireless access points, extenders to factory defaults

@Rotem_Shavit May I ask the model of your TP-Link powerline products? The ethernet LED is off means that the ethernet port is currently not in use, I suppose you have misunderstood the LED...

@StuieB38 What's the firmware version of your RE650? Please make sure it's the latest one. RE650 has the same wifi name as your router? It's suggested to have different ones.