kindel fire

What type of error message are you getting ?? Did you read the manual ??

1. Call Amazon and have them walk you through it.

2. I own a Fire HD and had to call them. It was rather painless as I used the call me back feature. They answered the question I had and fixed it in about 4 minutes. Very nice support.
Bob

I've never had a problem with my Kindle Fire, so like birdmantd says, we'll need more info before we can offer much help. How strong a WiFi signal are you getting (how many bars)? When I need to check a connection, I tap the upper right corner of the screen, then tap WiFi. Do that, then tap the one you want to connect to. Then write down the steps it goes through & report them here. You should see something like this:
- Wireless Networking: Make sure it says ON
- Write down what it says for Signal Strength & report that.
- Password: Enter the correct password, check the Show Password box & make sure it's getting the right one.
- Tap where it says CONNECT
- Attempting to connect
- Obtaining IP address
- Connected -OR- Error message. Report this message along with the above.
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Given that info, we can help you. As I say, I don't recall having connection problems with my Kindle Fire. I have two WiFi sources here at home, one says signal strength Excellent, the other Good. If yours is less than that, it could be your problem. If so, try getting as close as you can to the router & try again.
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Good luck.

You'd better check your network and reboot the knidle fire.