[Fix] Google Chromecast Not Working on 5GHz WiFi

Google Chromecast is most popular casting technology solution providing mobile content on TV and It make non-smart TV into Smart TV. Even in Google Chromecast provide 4k HDR content on TV and Monitor, you just need to connect HDMI port and connect WiFi and you’re good to go.

But recently there are some problems facing Gooogle Chromecast not working on 5GHz WiFi network. With this problem, it is not possible to play HDR+ and Dolby Vision HDR format content which is easily you can stream by using a 5GHz network for high speed connection.

Why is Google Chromecast Not Working on 5GHz WiFi?

When Chromecast turing on and prompted to select WiFi network from a list of connection list. it automatically connext to slower connection network 2.4GHz, you can shift your connection to the 5GHz network under WiFi Settings and this takes less than a minute (provided you can type incredibly fast using the tiny remote).

Here few connection error issues you might be facing, below we share some tricks after applying this you can use a 5GHz network.

Relocate WiFi Network

Sometimes two different wifi networks have different network coverage 5GHz network is a smaller radius compared to a 2.4GHz network connection. If your WiFi router is a bit too far from your Google Chromecast, the only thing you can really do is either bring it physically closer or grab a WiFi extender that supports 5GHz networks.

Note: First check specification is your Google Chromecast support 5GHz bandwidth or not. The first generation of the product which only has support for 2.4GHz 802.11 b/g/n WiFi networks. Sadly, there’s not much you can do in this scenario apart from buying a newer version of the Chromecast.

Reauthenticate WiFi Connection

Simply forget your connection from WiFI network, reboot your WiFI router, wait few minutes and start connection to 5GHz network.

Disable AP Isolation

AP Isolation, also commonly documented as Guest or Client Isolation prevents new devices from being connected to your WiFi network. If you have this turned on, you will need to manually turn this feature back off under your router’s settings. You can access your router configuration using a phone, laptop, or computer by following the instructions in the router manual. If you are unsure about how to access your router’s settings, you can simply Google your router’s model name, followed by instructions on how to disable AP isolation.