Why is my phone unable to connet to a wifi network?

[Windows Central Question]

my phone is unable to connet to a wifi network

i have a lumia 630 phone and i'm facing some problem with phone's wifi. when i tries to connect to a network it gets connected after which it says '' no internet access ''. But all the other devices at my home gets easily connected and also works fine with the same network. i've been having this issue since 2 days, everything was perfect till then. kindly help me with this

 

[Harrie-S]

Under WIFI delete the network and than add it again may help.
And sometimes a soft reset also helps.