HDCP error doesn't require new cables. Trust me.
I came to several forums to find that the HDCP error has ruined people's relationship with Apple. It almost did me in as well. You are watching Netflix on your Apple TV one night and the next night you have a message that the information needs HDCP compatible cables. So you start to plug and unplug things. Switch cables. There is a quick fix at Apple. Here it is copied
Apple TV (2nd generation): About Apple TV and HDCP
Summary
HDCP (High-bandwidth Digital Content Protection) is a form of digital copy protection that requires compatibility between a source, such as your Apple TV, and a receiver, such as a high definition TV. Apple TV (2nd generation) supports HDCP.
Products Affected
Apple TV (2nd generation)
Your HDTV must support HDCP; otherwise, video will not play.
Issues may occur if HDCP is not detected
If HDCP authentication does not succeed, you may see one of the following symptoms:
- A message may appear on your television stating "This content requires HDCP for playback. HDCP isn't supported by your HDMI connection."
- You may see periodic bands of static, or full screen static, flashing across your TV screen.
- Connect your Apple TV (2nd generation) directly to your HDTV using an HDMI cable.
- Set your Apple TV and HDTV to off or sleep mode
- From the Apple TV interface, select: Settings -> Sleep Now.
- Turn off your TV and wait for about 10 seconds.
- Turn your TV back on.
- Press the Select button on your Apple TV remote to wake your Apple TV.
- Some HDTVs may need a firmware update. Consult your TV manufacturer's user manual or online support pages for additional information about how to update your TV's firmware.
- If available, try using a different HDMI to HDMI cable, such as an Apple HDMI to HDMI cable, directly between your Apple TV (2nd generation) and 720p HDCP-compatible HDTV.
Additional Information
Even if your HDTV supports HDCP, you may still experience HDCP related issues when connecting your Apple TV (2nd generation) to your HDTV if:- You have connected your Apple TV to a HDMI-to-DVI adapter that does not support HDCP
- You have connected your Apple TV to your TV using a HDMI cable that does not support HDCP
- You have connected your Apple TV to your TV via an AV receiver that does not support HDCP
- You have connected your Apple TV to a HDMI hub, switch, scaler, or extender that does not support HDCP
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