@IASiyam Hi, Provided your TL-WR840N is a regular retail version the username printed on the label is admin and the password printed on the label is admin as well.

@Hazir-Moo These type of wireless range extenders use the same channel that is used by the wireless network they are connected to. So, if you want to change the channel you have to change it on the...

@Anirbandt Hi, I don't know why things worked fine with the old router and not with the new router, but to me it seems this error message points to a subnet mask that is set too small. For example, a...

@CumbriaChris Hi, Actually it should also say Archer AX12 on the box and the Archer AX12 router does support Wi-Fi 6. (basically that's what the "AX" stands for, because Wi-Fi 6 is also called...

@Hazir-Moo Hi, What are the wireless specifications of your router and the wireless network card of your computer? If you are not sure, then maybe post the model names and numbers of both. What you...

@JRed1 Hi, Are you still able to successfully connect to the Archer A7's Wi-Fi network? If so, then open the admin webpage of the A7 in a web browser (via http://tplinkwifi.net/ or...