"Default gateway unavailable" when connecting to a wireless network

Why can't my computer wirelessly connect to the internet? I have to diagnose the problem and it tells me the default gateway is unavailable.
I have to do this every time I turn my computer on and it does it while I'm using it sometimes too.
I made sure
it wasn't the router; I reset it and turned it off and whatever and recently got a different internet provider with a new router and it has the same problem.

Solutions to the Problem "Default gateway unavailable" when connecting to a wireless network


Could you do some steps to see if the communication with your router is OK?

I am assuming you are connected to your wifi router but missing the Gateway address.

1.
Go to control panel (Click the windows logo and choose Control Panel)
2.
In control panel click on Network Sharing Center
3.
In network sharing center click on Wireless Network Connection
4.
In the wireless connection status click Details...

Here you are supposed to see detailed information about your Wifi connection.

The important addresses are:
IPv4 Address - ex.
192.168.1.2
IPv4 Subnet Mask - should be 255.225.255.0
IPv4 Default Gateway - this is the one that seems to have trouble - should look like 192.168.1.1 (but can be completely different) but must be the same first 3 numbers than the "IPv4 Address" in my ex.
192.168.1.

What are your numbers?


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Another Safe way to Repair the problem: "Default gateway unavailable" when connecting to a wireless network:

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