Help IP & MAC address not found on tablet

[loserface0890]

I have a RCA tablet its android system 4.2.2 y it would not connect to WiFi and its saying IP address unavailable and MAC address unavailable.
I did a hard reset.
I've turned it off and on a ton of times.
I have no idea what to do now. Please help asap! I have school work to gr done tonight!

 

[mikedt]

Try rebooting your WiFi router.