Note: If you do not see the AirPlay icon in your menu, click your Macs top-left Apple icon, then check System Preferences > Displays. Then, choose which Apple TV you would like to connect to. Click the AirPlay icon on your Macs top-right menu bar. From the TVs main menu, select Settings > About.The MAC Address will appear on the screen.Apple TVs are usually found on the HDMI 1 input.Open Terminal: Run ifconfig: From the.Apple TV can't connect to captive networks, which are networks that require an additional or secondary login. There's even an Apple Support article I found which states:Scroll down until you find the IPv4 Address: Above you can see the IP address for the computer: 192.168.85.129. It was using a "captive portal" to access and the Apple TV has no method of logging into these types of network configurations. Upon trying to set up the Apple TV on the WiFi network I ran head first into an issue.Once the web site authenticates you, it places your MAC address in an "authorized" list of MAC addresses and you'll no longer see the captive portal when trying to access the network.The trick here is to figure out a way to authorize the MAC address of your Apple TV on a system that can access a web page (there is no web browser on the Apple TV, so no way to interact with the captive portal). If a MAC address tries to access the network that has not been previously authorized, then it is redirected to a web page where the user can "log in" to the network (this log in can be as simple as a "Connect Me" button after reading terms and conditions, or as complex as filling out a form and using a username and password). Captive portals work by authorizing specific MAC addresses to access a network. The MAC address is used to assign an IP address to your device during Dynamic Host Configuration Protocol (DHCP) configuration, which is how your device talks on the Internet. A MAC address is the globally unique ID that every device has when connecting to an ethernet-based network, which includes WiFi/Wireless networks. I had to figure out a solution and FAST! The SolutionEnter Media Access Control (MAC) address spoofing.Your MAC address will be next to Wi-Fi Address (now referred to as "ATVMAC") With your Apple TV remote, navigate to the Settings icon and select it Determine the MAC address of your Apple TV:
![]() Note both of these for the next steps. Option-click the WiFi icon in your menu bar, which will provide you a lot of information about your network, including your Interface Name (mine is en0) and your Address (now referred to as "MacMAC""). If you have already connected your Apple TV to the wireless network, then unplug your Apple TV (it cannot be connected to the network for this to work), otherwise move to Step 3 Selecting the current wireless network from the list Clicking on your WiFi icon, selecting Network Preferences. If you are currently connected to the Wireless network from your MacBook, disconnect from the wireless without turning off your wireless card, this is done by Issue the following command to confirm the MAC address of your Mac: ifconfig en0 | grep ether (use the Interface Name from Step 3, mine was en0), if it does not match the MacMAC stop here and go back and see if you missed something. If it still shows your MacMAC, go back to Step 7. If the output from the above command now shows your ATVMAC instead of your MacMAC, then proceed. There will not be any output from the command, so check it by re-entering the command from Step 5: ifconfig en0 | grep ether You'll be prompted for your administrative password, enter it Spoof the MAC address on your MacBook to match the Apple TV with the following command: sudo ifconfig en0 ether ATVMAC Install mac os x on hp probook 4540sNow power up your Apple TV and it should already be authorized on the network and work properlyWhile a 14-step process may look daunting to some, it's really not that bad of a process and should take under 15 minutes to get everything configured, online, and back to their original configurations. Once your MacBook is back using your MacMAC, you can join the wireless again, confirm that everything is working Once you're able to access the Internet using your ATVMAC, go back to Step 6 and follow the steps again, but now you're going to set your MacBook back to the MacMAC. Now that your MacBook looks like your Apple TV to the network, join the Wireless network and authenticate through the Captive Portal and ensure you have Internet access
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