Your Wi-Fi frequently disconnects or won't reconnect automatically.
This is the least disruptive method and often fixes temporary glitches. reset wifi adapter
| Reset Wi-Fi Adapter (your device) | Reset Router (the box) | |-----------------------------------|------------------------| | One device can't connect, others can | All devices have no internet | | Device sees networks but fails to connect | No Wi-Fi signal visible at all | | After moving between many networks | After power outage or storm | reset wifi adapter
Or for older systems:
Think of your Wi-Fi adapter as a tiny, dedicated computer inside your laptop or PC. It has its own software (drivers) and memory. reset wifi adapter
sudo ip link set wlan0 down sudo ip link set wlan0 up