Router link not opening

Red light comes on no matter what I do rebooted reset blah blah. Worked fine with my Telstra router. Any ideas

I just bought a Tp-Link archer C60 modem. All the devices recognize the 5GH and 2.4GH modem bands. Unfortunately, the mobile phone Xiaomi Poco X3 Pro only shows the 5GH band of this modem in its Wi-Fi

I'm using model VX220-G2v and TL-WA850RE, several problems occur when i try to set up. The first thing is that after i try to separate 2.4 Ghz and 5Ghz, the 5Ghz one still working but the 2.4Ghz refus

I can give a different network name in the extended network, but the password is taken over from the main network. Is it possible to assign a different password in the extended network in this model?

Setting up this modem and nbn connected but and can access internet via Ethernet but can't connect to more than one device. DSL light or internet light has never come on and when I try to set up via t