After replacing a router, reconnect the TV to the new network before reinstalling apps or changing subscriptions. Get one screen working first, then add the others. This keeps a straightforward network change from turning into several unrelated account and equipment changes.
Why is the TV offline when the new router is working?
Look at the network selected on the television. It may still have the old Wi-Fi details, or a cable may need reconnecting. Confirm the router is activated using the provider's instructions, then check connectivity on one device you are allowed to use.
On a compatible Samsung TV, follow Samsung Canada's network guide for the wired or wireless route. Use the correct manufacturer's guide for other equipment. Even if you reused the network name, inspect the actual connection status on the screen.
If a separate modem remains part of the installation, leave it in the arrangement specified by the provider. Keep track of which power supply and cable belong to each device. Follow the provider's return process for any equipment being replaced.
Do I need to reinstall the IPTV app?
Try the existing app after restoring internet access. Reinstalling is not the first useful response to an offline TV, and it can create another sign-in task before you have solved the connection problem.
Open the same authorised programme used before the router change. Check picture, sound and the remote. If the app itself is missing or no longer supported, treat that as a separate question. Samsung's app-installation guide and the app publisher's model information can help identify the supported route.
Keep account recovery information available privately. You should not need to put passwords on a checklist shared with an installer.
Reconnect the rest of the household one screen at a time
Once the main television works, add the next device and repeat the playback check. Test casting separately if you use it: the phone and receiver need the appropriate local-network arrangement as well as internet access.
After everything is connected, try the household's normal permitted viewing pattern. Note whether a screen fails when used alone or only when other devices are active. That distinction will help support choose the next test.
Milton's census subdivision grew by 20.7% between the 2016 and 2021 censuses, according to Statistics Canada. The figure is historical local context; your router check concerns the equipment in your home.
Keep a list of the screens successfully reconnected and any remaining fault. Finish the migration when ordinary viewing works on each intended screen, with obsolete equipment dealt with under the provider's instructions.
Sources and references
- Statistics Canada — Population and dwelling counts, 2021 Census, table 98-10-0002-01www150.statcan.gc.ca · Accessed November 8, 2026
- Samsung Canada — Connect your TV to the internetwww.samsung.com · Accessed November 8, 2026
- Samsung Canada — How to install an app on your Samsung TVwww.samsung.com · Accessed November 8, 2026