How do I change my 5ghz bandwidth to only be on 40mhz?

[Coldimor]

I was changing some wifi settings yesterday and did a wifi analyics test from the microsoft store it was saying my 5ghz was at 20mhz bandwidth... I was trying to change channels to one that supported 40mhz but the options are not showing up.

Does anyone know why this would be happening? Basically when I go to select a channel for the 5ghz network none of the 40mhz supported channels are available.

[FURRYe38]

Please post about this here for your model router:
https://community.netgear.com/t5/Nighthawk-WiFi-Routers/bd-p/home-wifi-routers-nighthawk

Good Luck.

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@Coldimor wrote:

I was changing some wifi settings yesterday and did a wifi analyics test from the microsoft store it was saying my 5ghz was at 20mhz bandwidth... I was trying to change channels to one that supported 40mhz but the options are not showing up.

Does anyone know why this would be happening? Basically when I go to select a channel for the 5ghz network none of the 40mhz supported channels are available.

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[Coldimor]

I tried that only weird thing is that option is only for 2.4ghz the 5ghz that was not an option for.

I also tried using smart connect and turning off what you suggested and that wasn’t working for me either.

It’s weird I am only seeing 20mhz channels for 5ghz.

[FURRYe38]

There isn't an option for 5Ghz. It's automatic. 

Be sure your 5Ghz devices support 40 or 80Mhz channel width as well. 

Has a reset and setup from scratch been performed?

What devices do you have that your connecting to the router? 

[Coldimor]

I did a factory reset yesterday when I couldn't get it working but that didn't help. I have 5 devices on 2.4ghz.

The only device connected to the 5ghz is my computer which uses the following...

TP-LINK Archer T9E AC1900 Dual Band Wireless PCI Express Adapter

[FURRYe38]

Please post about this here for your model router:
https://community.netgear.com/t5/Nighthawk-WiFi-Routers/bd-p/home-wifi-routers-nighthawk

Good Luck. 

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@Coldimor wrote:

I did a factory reset yesterday when I couldn't get it working but that didn't help. I have 5 devices on 2.4ghz.

The only device connected to the 5ghz is my computer which uses the following...

TP-LINK Archer T9E AC1900 Dual Band Wireless PCI Express Adapter

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[quetown]

It isnt the devices that need to support it, it is that netgear does not allow us to change the channel width. I dont need 80 on 5ghz, just as I dont need 40 on 2.4ghz