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AirPlay lets you stream audio and video over a local network connection between an iPhone, iPad, or Mac to an Apple TV, HomePod, and lots of third-party devices with built-in AirPlay or AirPlay 2 support. When you first connect to an AirPlay destination, you may be prompted to enter a security code.
This security code is not designed to protect you from hacking attempts. Rather, it serves as a buffer in situations where multiple users with their own devices are in close proximity (like in a dorm or apartment building) and could see and inadvertently select your AirPlay destination. (Someone might also try to play a prank by accessing your device and sending unwanted content to it.)
You can see that it’s not an anti-hacking method because when you select an AirPlay device that has passcode protection, the display for that device will show the code. You can then enter it at the prompt on whatever Apple equipment you’re using.
After entering the security code for the first time on a device, you shouldn’t be asked for it again unless the code changes.
Every streaming box, app, or smart TV that supports AirPlay has a different interface to set and change the code.
Here’s how to make the change on an Apple TV:
You can also find instructions on some popular devices made by other companies using these links:
This Mac 911 article is in response to a question submitted by Macworld reader William.
We’ve compiled a list of the questions we get asked most frequently, along with answers and links to columns: read our super FAQ to see if your question is covered. If not, we’re always looking for new problems to solve! Email yours to mac911@macworld.com, including screen captures as appropriate and whether you want your full name used. Not every question will be answered, we don’t reply to email, and we cannot provide direct troubleshooting advice.
Glenn Fleishman’s most recent books include Take Control of iOS and iPadOS Privacy and Security, Take Control of Calendar and Reminders, and Take Control of Securing Your Mac. In his spare time, he writes about printing and type history. He’s a senior contributor to Macworld, where he writes Mac 911.
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