Network - Wireless & Wired Connections

Help & troubleshooting for network issues, including connecting your device to your home Wi-Fi network, connecting to public networks, troubleshooting wireless issues & ethernet connections, and optimizing streaming performance.
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DBDukes
Community Streaming Expert

Re: Roku Ultra won't connect via Wired connection

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@Tomgifford 

Okay, that's interesting. Many times, the modem will identify itself with a particular device, most commonly a router or switch (most routers are also switches). If your ISP does this, then you can't switch out devices easily. A switch or wireless router connected to a modem prevents this problem.

Now, this may not be what's going on. Can you connect a different device to your Ethernet cable that's running from your modem? Say, a laptop?

If a different device can be used without issue, then this is not what's going on. However, if no other device can connect properly using the Ethernet cable from the modem, then this may be the issue. If so, you'll need to work with your ISP about this. And, if this is the issue, I'd suggest getting an inexpensive switch (around $20), or an inexpensive wireless router (with switch, around $35).

DBDukes
Roku Community Streaming Expert
Note: I am not a Roku employee.

If this post solves your problem please help others find this answer and click "Accept as Solution."

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sjjanson
Level 7

Re: Roku Ultra won't connect via Wired connection

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I have the exact same problem.  I can connect wireless, but the signal is weak which is why I wanted the wired connection.

I have rebooted the router and rebooted the roku box but I still get the message it cannot detect the eithernet cable. 

I have used several different ethernet cables, and I can connect my PC to the same ethernet cable and it works fine.  

When I look in the ethernet port on the Roku UltraLT, the connection wires are way in the back and look like they are too short.  My ethernet cables click in and are secure.

Steve Janson

 

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renojim
Community Streaming Expert

Re: Roku Ultra won't connect via Wired connection

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@sjjanson, if no lights come on by the Ethernet jack when you plug in the cable then the Ethernet port may just be bad or the cable isn't making a good connection.

Roku Community Streaming Expert

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I am not a Roku employee.
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