My emerson tablet wont connect to the wifi what can I do to fix it

Kindle entirely depends upon WiFi to access the internet. Following are the few simple tricks you can try one by one to fix the Kindle Won't connect to wifi error.
Refresh the Kindle Device
Switch Router
Distance of Router and kindle
Must select the 1-11 channel
Connect your kindle with the 2.4 GHz band

Go to wifi setup. Check box that says to remember wifi.

sounds like internet connection, check your internet settings, and possibly reboot your wifi router

What kind of tablet is it?

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this may be because they wifi goes away and comes back again. or maybe because it's messed up .
hope this helps.

Are you entering the correct password!

It could be because of the amount of devices that are connected to your wifi. Too many devices could put a lot of weight on your bandwith causing the wifi itsself to become slower. Disconnect any devices using wifi in your home that dont need to be on every day and try reseting your modem or router. You could also use a usb cord to get a more direct connection or you might have to upgrade to a faster wifi company. If the problem still continues take your device back and get it fixed, call the number in the troubleshooting guide, or visit the nextbook website and make sure you have your device registered.

When you reset the tablet your tablet wifi settings, wifi name and password will be erased. You have to detect your wifi on the tablet, connect to it and enter password right?

Go to settings and then wifi if it is off switch it on and then select your wifi router and enter your password