router mode

You gave us nothing to go off.

There a NG product model your referencing? 

To get a hold of support. Click on "MyNetgear" at the top.
Register an account (or login) and then the device.
From there you can start the support process. Keep in mind that its only free for the first 90 days.
There's a support site with access to manuals, firmware, install guides, etc.
Go to https://www.netgear.com/support/
Type in your model number and from there it'll take you to the above.
Its a great resource to start with.

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Vinniely wrote:
I was just looking at the options in the router settings and I saw router mode so I put it on without thinking now I can't connect to my router can anyone help me fix this issue

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Try this and be more careful, next time:

How do I perform a factory reset on my NETGEAR router? | Answer | NETGEAR Support

Then set the thing up again.