I am using 22 version of Ubuntu and when I turn off my wifi the system froze. My laptop is Dell latitude 7480. After that it takes time to work normal but after that the wifi no longer exists so I have to reboot and then the same thing happens.
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I am using 22 version of Ubuntu and when I turn off my wifi the system froze. My laptop is Dell latitude 7480. After that it takes time to work normal but after that the wifi no longer exists so I have to reboot and then the same thing happens.