Apple TV Keeps Disconnecting my Internet
Is it the router? How can I tell?
Apple TV HD, tvOS 12
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Please try the steps below:
1. Unplug your modem from its power source and Restart Modem.
2. Unplug your router from its power source and Restart router.
3. Unplug Apple TV from Power for 2-3 minutes – re-plug in and retest.
If that does not solve the problem, your network may need to be updated. If your modem and router are older than about 4-5 years, then you may want to consider a Mesh network. If you do not know about Mesh networks, please read one of the hundreds of articles available about them and see if you may be a candidate.