NightHawk RAX70 - Laptops cannot connect to internet, 26 other devices can...

If other devices are working then I would look at these two laptops. 
Ensure there DNS are configured and cleared out. IPCONFIG /flushdns is a good command to try in a command line.

Contact the Mfr about support and information regarding there product. 

https://kb.netgear.com/23/How-can-I-troubleshoot-DNS-resolution-problems

https://kb.netgear.com/30510/How-do-I-set-static-Domain-Name-System-servers-on-my-NETGEAR-router

What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?

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sd10wrangler wrote:

 

As the title suggests I am having a big problem with my two laptops which both connect to the router ok, but have no internet connection.

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Similar problem over here, with the same questions:

Re: Nighthawk RAX70 will not connect laptop to int... - NETGEAR Communities

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I had one hint that it could be a DNS problem but I don't know how to change that.

 

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Hint from where?

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sd10wrangler wrote:

Nighthawk Tri-Band AX8 RAX70. Router Firmware Version V1.0.15.146  Windows 11 Pro Home Studio

 

As the title suggests I am having a big problem with my two laptops which both connect to the router ok, but have no internet connection. All my other wi-fi devices have internet connections. I had one hint that it could be a DNS problem but I don't know how to change that.

Any help appreciated.

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Is there a chance you have the random hardware (MAC) address feature enabled in Windows 11?

https://support.microsoft.com/en-us/windows/how-to-use-random-hardware-addresses-in-windows-ac58de34-35fc-31ff-c650-823fc48eb1bc