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losing house WiFi password

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Possibly of use to others where the car will not connect to a home network.......

Since 2021.12.25.7, my car has refused to connect to my wifi even though it previously did and & the password is the same but then unrecognised (always shows a DCHP settings error).

I just opened a laptop browser to the router hub and discovered that the car was connected to the 5GHz network for some reason. On deleting this from the devices list & then re-entering the password on the in-car screen it immediately reconnected.

....the car MUST connect via 2.4GHz
 
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