Why does my router show full signal but no internet?

[LastNet]

Router inaonyesha full signal but hakuna internet kabisa. Nimejaribu restart bado.

 

[Pedi wa WiFi]

Router inaonyesha full signal but hakuna internet kabisa. Nimejaribu restart bado.

Check gateway settings and confirm DNS servers are reachable. Ping 8.8.8.8 from the router. If it fails, ni upstream problem.