Restart the WiFi router and modem
Restart the device using the WiFi
Turn WiFi off and on again
Forget the network and reconnect
Move closer to the router
Check if other devices can connect
Make sure airplane mode is off
Confirm the WiFi password is correct
Check for router power and cable issues
Unplug the router and modem for 30 seconds, then plug them back in
Update the device’s network drivers or software
Update the router firmware
Change the WiFi channel
Reduce interference from other devices
Disable and re-enable the network adapter
Reset network settings on the device
Contact the internet service provider if the issue continues