Windows 10 desktop won't connect to internet via wifi since we got a orbi router

Hello Killiose, 

I understand that your Orbi router is experiencing issues connecting to the default gateway. 

Can you please provide the following:

The Orbi model.

The firmware the Orbi is currently on. 

I look forward to hearing from you!

Best,

Kevin 

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Killiose wrote:
.... the only device having issues connecting to the internet through wifi is my gaming desktop. Whenever I run diagnostics it comes back telling me that the default gateway in unavailable.

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If only one device connects to the router while another one doesn't, I would look at the troublesome device rather than the router. If other things connect to the router, then it is doing its job.

If your gaming desktop is a Windows PC, then a good place to start is with the Network Troubleshooter in Windows. How you get that depends on your version of Windows. You don't say.

In Windows 10, try running the Network Troubleshooter in Windows. Start here:

Fix network connection issues in Windows 10

This place is for help with General WiFi Routers (Non-Nighthawk and Non-Orbi). For hardware specific problems, you might get more help, and find earlier questions and answers specific to your device, in the appropriate section for your hardware. That's probably here:

Orbi - NETGEAR Communities

In the meantime you could visit the support pages:

Support | NETGEAR

Feed in your model number and check the documentation for your hardware. Look at the label on the device for the model number.

You may have done this already. I can't tell from your message.

I mention it because Netgear stopped supplying printed manuals and CD versions some years ago and people sometimes miss the downloads.