The problem of TV not being able to connect to wifi is easy to solve, but it needs to be analyzed through different problems.
1. First of all, confirm that the wifi is available normally.
It is actually very simple to rule out whether the wifi is normal and available, you only need to use a mobile phone or tablet, or a device that can connect to the wifi for a connection test, if it can be connected to the wifi normally, then, it proves that the wifi is not a problem. Therefore, it is concluded that the TV cannot connect to wifi is not caused by the wifi network, and it does not matter.
Second, whether the TV wifi acceptance is normal.
When the TV can't be connected to wifi,You can connect to the rest of the wifi for testing,See if it can be connected normally。 If it can, then, there is no problem with the wifi hardware module of the front TV. In this case, you only need to re-enter the password of the original wifi to solve the problem. If,TV connection to the rest of the wifi still can't connect normally,then,It's a problem with the TVWIFI hardware module,Then,It's complicated to solve。 It is recommended to find a professional person for maintenance.
If you don't have a second wifi network for the test, you can use your smartphone's wifi hotspot for testing.
Usually, the reason why the TV can't connect to the wifi is because of the problem of the TV itself, and usually, as long as you re-enter the password, you can solve the problem.