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Below is the basic troubleshooting guide for Apple TV.
Restarting the modem and the Apple TV is a good first step.
- Reset Apple TV by unplugging it from the power outlet, waiting about five seconds, then plugging it in again.
- Power off your TV, wait five seconds, then power it back on.
- Ensure that Apple TV is within range of your Wi-Fi router or base station.
- Confirm that your Wi-Fi router and cable/DSL modem are connected to power and turned on.
- Make sure other devices (computers, iPhone, iPad, for example) are able to connect to the Wi-Fi network and access the Internet.
- Check your Wi-Fi network settings on Apple TV:
- Select Settings > General > Network > Wi-Fi and press the center button on the remote to display nearby networks.
- Choose your Wi-Fi network from the list.
- If your Wi-Fi network uses a password, make sure you are entering it correctly.
- Restart your Apple TV by selecting Settings > General > Restart.
- Try restarting your Wi-Fi router or modem by turning it off and then on again.
If possible, connect an Ethernet cable and verify your Internet connection. If you can connect to the Internet using an Ethernet connection, verify that your Apple TV is using the latest software by selecting Settings > General > Software Update. If your Apple TV can be updated, install the update and then try the steps again.
On Apple TV, choose Settings > General > Reset, and then click Restore.
Your Apple TV will restore to its factory settings, and will also download and install the latest Apple TV software update. This process may take some time. Do not disconnect your Apple TV's power cable during the restore process.
If you cannot use this process, and you have a micro USB cable, try the steps in the next section.
If your Apple TV (2nd and 3rd generation) still does not respond
If have a micro USB cable (sold separately), you can restore your Apple TV from iTunes:
- Disconnect the power and HDMI cables from Apple TV. Note: If you do not disconnect the power cable before connecting the micro USB cable, you will not see Apple TV in the iTunes Source list.
- Connect one end of a micro USB cable to the back of your Apple TV, and the other end to one of your computer's USB ports.
- Apple TV (3rd generation) only: Reconnect the power cable to your Apple TV.
- Open iTunes on your computer.
- Select your Apple TV in the Source list, and then click Restore.
Your Apple TV will restore to its factory settings, and will also download and install the latest Apple TV software update. This process may take some time.
Do not disconnect any cables from the Apple TV until the restore process is completed.
I hope this information helps ....
Have a great day!