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1. (TiVo Desktop users only) If you are unable to make connections to the TiVo service using your network connection, you can use TiVo Desktop to check the connection between your PC and your DVR. From your PC or Mac, try to access Music & Photos on the DVR. If you are able to access Music & Photos, the problem is likely with your router or Internet service provider, since the connection between your computer and DVR is working. Check your network and router settings and contact your ISP if necessary.
2. (TiVo Desktop users only) If you have a software-based firewall such as Black Ice, Norton Internet Security, or McAfee Personal Firewall installed on your PC, it may be necessary to adjust your settings to allow the TiVo Server to broadcast the beacon signal to your DVRs. For more information on which ports need to be open, go to What network ports and IP addresses do I need open when using my TiVo DVR?
3. If you assigned a Static IP address to your DVR, check that its IP address is correct and is unique on your network. Also, confirm that the first three sets of numbers of the DVR’s IP address are the same as those of other devices on the network. (for example, if your computer’s IP address starts with 192.168.1, then the DVR IP address must also start with 192.168.1.)
4. Verify that the Domain Name System (DNS) server is functioning properly. From TiVo Central select Messages & Settings > Settings > Phone & Network > View network diagnostics.

If the DNS resolution test says “Failed”, try to access several web pages using a computer on the same network. If the computer is unable to access the web pages, there may be an issue with your Internet Service Provider’s DNS server. Contact your ISP for further troubleshooting assistance.

5. Update the firmware on your network equipment. If your home network includes a router, home gateway, or wireless access point, it may need a firmware update. You can usually find any updated firmware at the customer support web site for the manufacturer of your hardware.

1. If you are seeing a network error message, click here to view the list of network error messages and what they mean.

NOTE: A home network is an interactive system. Be aware that in some cases, an error message can be misleading because it points to a condition that may be related to what is wrong, but the DVR cannot accurately detect the root cause of the problem. For example, the DVR might display a message that a network adapter can’t be found, when the real problem is that there is no signal coming from the router.

2. Check the adapter connection.

If the Last Status on the Phone & Network screen says, “Failed. No network adapter,” make sure the USB cable is properly connected to the TiVo DVR and the adapter, and make sure the adapter’s lights are on. If the lights are on, try these steps, in order, until a network connection is established:

1. While the Phone & Network screen is still displayed, unplug the USB cable from the back of your DVR. Wait 30 seconds and then plug the USB cable back in. Make sure the cable is pushed all the way in; sometimes lights on the adapter turn on before the USB cable is pushed all the way in.
2. Unplug the end of the USB cable connected to the adapter. Wait 30 seconds and then plug the cable back in to the adapter.
3. Disconnect the adapter from the TiVo DVR again. Wait 30 seconds and then reconnect it to see if the MAC address appears.
If you have another adapter or USB cable available, try that adapter or cabling.

NOTE: For a wired setup with a Series2 DT, Series3, or TiVo HD DVR, unplug the ethernet cable and plug it in again, making sure the connector is firmly seated.

3. Check the physical connections of the entire network. Ensure that all network equipment is receiving power and that all cable connections for routers, hubs, access points, and computers in the network are working. Verify that the link light is lit on all devices connected to the network.
4. Verify that your network adapter and router are compatible.
* Verify that the network adapter you attached to the DVR is supported. The only wireless network adapter supported by any HD TiVo DVR model is the TiVo Wireless G Adapter. For a list of wireless and wired adapters supported by Series2 DVRs, go to Which network adapters work with my TiVo DVR?
* If you attached a wired adapter to a Series2 DT or an HD TiVo DVR, remove it and plug the Ethernet cable directly into the DVR.
* Verify that your wireless access point or router supports the type of wireless adapter you purchased. For example, if you purchased an 802.11g wireless adapter, make sure that your router supports the 802.11g wireless standard. Check the documentation for your router if you are not sure.
5. If you are installing the DVR for the first time, check the software version.

Your TiVo DVR must be running software version 8.1 or later to connect to a wireless network that is protected by WPA encryption. In addition, many adapters require a particular TiVo software version for compatibility.

New and renewed DVRs (including DVRs sent as replacements during an exchange) do not ship with the latest TiVo software and may require an update before they are compatible. If you purchased the DVR from a private party, it may also require a software update.