@corn3356 Is it RE450? We have a lot AC1750 products, considering you want to buy the extender, I think it should be RE450. You can order it to boost the wifi signal with the RE650 which you have...

@Kendi You are welcome. Glad to help.

@Salim What is the model number of your device? Try to change a wall socket to plug it and try to hard reset it by holding the reset button/hole for 1s with it powered on. Good day.

@Boriths The 1900Mbps is the whole wireless link speed of the Archer C9, including 2.4GHz and 5GHz. The Archer C9 has the gigabit ethernet ports, and the wifi speed of 5GHz are higher than the 2.4GHz...

@zScopion For your information, the 2.4GHz has slower speed but larger wifi coverage area compared with 5GHz. You can change the wireless settings to improve the wireless performance, including...

@Grw What is the current network diagram? How do you connect them together? Who is your ISP and what is the bandwidth you paid? With computer connected to the C2600 directly by cable, please test the...