@Bschurbon
Your 3930 Express is a 2.4ghz-only device. (It will only connect to your 2.4ghz band, cannot/will not see or use your 5ghz band.) The fact it is connecting to hotspot is a good sign that the Express is physically working and able to make a connection.
As such, you will need to verify that your 2.4ghz band is Enabled and broadcasting. (Make sure your ISP has not disabled it).
Additionally, if you have a cable ISP (Xfinity/Comcast, Cox, or AT&T), you will most likely have to configure your router's Wireless Mode settings to b/g/n in order for the Roku Express to connect.
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Instructions for Changing the Router/Gateway Settings….
Xfinity / Comcast → ( https://www.xfinity.com/support/articles/change-wifi-mode-admin-tool-xfinity-xfi ) with a walkthrough ( https://community.roku.com/t5/Network-Wireless-Wired-Connections/Error-014-30-stuck-for-three-days/m...)
Cox → (https://www.cox.com/residential/support/managing-your-in-home-network-with-my-wifi.html)
AT&T → (https://www.att.com/support/article/u-verse-high-speed-internet/KM1046172). You can select your appropriate router from the drop down menu.
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If the above is not applicable or you need more help, feel free to post back with ISP(internet service provider), your router model, and any error messages/numbers you are seeing on the tv screen.
Roku Community Streaming Expert
Just another Roku user... I am not a Roku employee.
Insignia RokuTV, Ultra 4660, Premiere+ 3921, Express 4k+ 3941, Streambar 9102