When I start my laptop it connect to the network directly but after few and wifi button disappear from the the computer even in settings

[Microsoft Windows]

When I start my laptop it connect to the network directly but after few minutes the wifi disconnect and wifi button disappear from the the computer even in settings when I use troubleshooting it should ot reinstall adapter driver i reinstall it many times even then the wifi remain disconnected and when I go device manger there was no information about the adaptor but when I restart my laptop it works perfectly fine at time it even show my wifi adaptor but I can restart my laptop every time when I want to use it I am permanent solution and 5 days before my laptops warranty ended so I am stuck

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