wireless network found as DSW50

[Hober]

installed new Aris modem.  PC via ethernet connects to web.  Cannot achieve wireless connection with iPhone, smart TV, Alexa.

phone shows network as DSW50 and DSW24.  Have no idea origin of those networks.

[plemans]

Are you sure thats your wireless SSID?

Did you try factory resetting and reinstalling the device? 

Is this a new router? (new to you, its over a decade old)

https://www.netgear.com/support/product/WNDR3400v1.aspx

[FURRYe38]

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

Good Luck. 

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@Hober wrote:

installed new Aris modem.  PC via ethernet connects to web.  Cannot achieve wireless connection with iPhone, smart TV, Alexa.

phone shows network as DSW50 and DSW24.  Have no idea origin of those networks.

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