Knowledge base

Apple TV: Unable to access Movies, TV Shows, or other iTunes features after updating

Posted in Apple Portable Computers


You can resolve this issue by signing out of your iTunes Store account, and then signing back in:

  1. Select Settings > iTunes Store
  2. Select your account, and then select Sign Out
  3. Select Add New Account
  4. Sign in to your account

Verify that the issue is resolved by accessing Movies or TV Shows on your Apple TV.

If you encounter an issue signing in or out of your iTunes Store account, try restarting your Apple TV.

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OS X Server: Unable to import an intermediate and leaf certificate in Server app

Posted in Apple Portable Computers


If your Certificate Authority sends you both an intermediate and a leaf certificate in response to your Certificate Signing Request, an alert may appear in Server app v2.2 when attempting to import the certs if the intermediate cert is not already in your keychain:

"An error occurred on the server while processing a command.
The error occurred while processing a command of type 'importCertificates' in plug-in 'servermgr_certs'."

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MacBook (13-inch, Mid 2010): External ports and connectors

Posted in Apple Portable Computers

Here are some examples of your computer's ports which are used to connect power, headphones, or other devices (called peripherals) to your Mac. 


Ports on a MacBook Pro with Retina display:

Ports on the back of an iMac:

Back of iMac (Mid 2011)




Different kinds of ports

  • MagSafe port: On a Mac notebook, this is where you connect the MagSafe power cable.
  • USB port: A wired external keyboard or mouse connects to your computer's USB port, as do many printers and USB flash drives (wireless keyboards, trackpads, and printers do not need to use a USB port—these use wireless Bluetooth or Wi-Fi technology). Learn more about using USB devices with Mac computers here.
  • Thunderbolt: Connect a Thunderbolt display, or connect a Mini DisplayPort to DVI, VGA, HDMI, or DisplayPort adapter. Also conect storage devices, video capture, firewire, and gigabit ethernet adapters directly to your Mac's Thunderbolt port. Got a new Thunderbolt display? See which Macs can connect to it.
  • Audio ports: Connect your Mac to an audio system or to connect headphones or speakers using the audio ports.
  • HDMI port: You can use this port and an HDMI cable to connect to an HDTV's HDMI port, and use the TV as an external display. Note: You can also use an Apple TV and AirPlay Mirroring to turn your HDTV into an external display.
  • Ethernet port: If you connect to the Internet without Wi-Fi, you probably have a modem or router connected to your computer's Ethernet port. If your Mac doesn't have an Ethernet port but you need one, you can use the Apple USB Ethernet Adapter.
  • FireWire port: Some Macs come with FireWire 400 or FireWire 800 ports for connecting peripheral devices such as external hard drives.
  • Some Macs include a card reader slot ("SDXC card"), which makes it easy to transfer photos to and from your computer.
  • A Kensington lock slot is available on certain Macs.


Which ports does my Mac have?

To learn which ports and connectors your Mac has:

  1. Find your computer's serial number.
  2. Go to Tech Specs.
  3. Enter your computer's serial number into the search box on the Tech Specs page. The search results should include your model of Mac.
  4. Click your computer to see its technical specifications, which include the ports and connectors.

I need more ports!

Some Macs have more ports than others. If you run into a situation in which your Mac doesn't have enough ports to connect all of your USB or FIreWire peripherals, consider getting a third-party hub.

There are many third-party USB and FireWire hubs on the market. These hubs work in the same way that a power strip allows you to plug in more electrical devices into a single socket. Companies such as Belkin and Kensington offer a wide variety of hubs.

If you want to create your own computer network, you can find plenty of Ethernet routers and hubs on the market too.

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iTunes Store: Closed captioning

Posted in Apple Portable Computers

Find iTunes Store content that supports closed captioning on your:

Mac or PC

iTunes 11 or later

  1. Open iTunes and go to the iTunes Store.
  2. In the search bar, type in a specific title or a keyword.
  3. Click "TV Episodes" or "Movies" media type in the column on the right.
  4. Click the "With Closed Captioning" tab.
    Search by media type for closed captioning

You can also browse to a movie or TV episode's description page and look for a closed caption logo next to the title of the video or in the language section.

Video description page

Video description language section

iTunes 10.7 or earlier

  1. Open iTunes and go to the iTunes Store.
  2. In the search bar, type "closed caption".
  3. iTunes Store search field
  4. Click Power Search.
  5. Power search button
  6. From the pop-up menu, choose Movies, TV Shows, or iTunes U.
  7. Power search media selector
  8. Enable the option to "Search only for movies that contain closed captioning," then click Search.
  9. Power search fields

Video that supports closed captioning will display a closed caption logo on the left side, under the movie details.

Closed caption logo in language section of product description

iPhone, iPad, and iPod touch

  1. Tap iTunes.
  2. Tap Search.
  3. Type "closed caption".

  4. iOS iTunes Store search field

Video that supports closed captioning will display a closed caption logo in the movie details section.

Video description detail

Apple TV

  1. Browse to or search for a movie or TV show.
  2. On the movie or episode description page, a closed caption logo will appear if closed captioning is supported.
    Apple TV Media Description

Enable closed captioning on your:

Mac or PC

  1. Open iTunes.
  2. For Mac: Choose iTunes > Preferences from the menu bar.
    Mac iTunes preferences

    For Windows
    : Choose Edit > Preferences from the menu bar.
  3. iTunes Windows preferences
  4. Click the Playback tab.
  5. Enable the check box next to "Show closed captioning when available." Click OK.
  6. iTunes playback tab

iPhone, iPad and iPod touch

  1. Tap Settings > Video.
  2. Tap the On/Off switch next to Closed Captioning.
  3. iOS closed captioning setting ON

iPod nano

  1. Go to Preferences in iTunes on your Mac or PC.
  2. Click the Playback tab.
  3. Enable the check box next to "Show closed captioning when available." Then, click OK.
  4. On your iPod nano, tap Settings > Video.
  5. Enable Captions.
  6. iPod nano closed captioning setting

Apple TV

  1. Select Settings > Audio & Video, then select Closed Captioning.
  2. Turn closed captions on or off during playback by pressing and holding the Select button on your Apple TV remote.
  3. Apple TV closed captioning setting

  4. Navigate to the Closed Caption tab to select the language you want.
  5. Apple TV video setting

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AirPort base station: IPv6 Tunnel Error after installing firmware 7.6.3 in router/NAT mode

Posted in Apple Portable Computers

Important: Follow these instructions only if your AirPort base station is operating in DHCP and NAT mode. Do not follow these steps if your AirPort base station is operating in Bridge mode. Check your AirPort base station Router mode setting by selecting the Network tab. The Router Mode is the first setting.

AirPort firmware 7.6.3 requires that all fields for IPv6 Manual Tunnel mode be completely filled in and contain valid entries (Note: This does not apply to IPv6 Automatic Tunnel mode). If you were using this mode prior to firmware 7.6.3 and settings for IPv6 manual Tunnel mode were incomplete or missing, the base station will flash amber, and AirPort Utility will show a pop-over error: IPv6 Tunnel Error.

Selecting the error from the AirPort Utility pop-up will show the following: "There was an error with the IPv6 tunnel endpoint. Wait for the service to be restored and try again. Contact your service provider if the problem persists."



Resolving the IPv6 Tunnel error after upgrading to firmware 7.6.3 in router/NAT mode

  1. Obtain the correct settings from your IPv6 service provider.
  2. Enter the IPv6 WAN address, IPv6 Default Route, Remote IPv4 Address, IPv6 Delegated Prefix, and IPv6 LAN Address into the appropriate fields. See the example settings below.

Note: All fields highlighted in blue must be completely filled in with valid entries.

Complete steps for manually configuring IPv6 Tunnel mode

  1. Obtain the correct settings from your IPv6 service provider.
  2. Open AirPort Utility, then select the device that you’re setting up. Enter the password if necessary.
  3. Click Internet, and then click Internet Options.
  4. Choose Manually from the Configure IPv6 pop-up menu.
  5. Choose Tunnel from the IPv6 Mode pop-up menu.
  6. Enter the IPv6 WAN Address, Default Route, and other information you received from your service provider. All boxes must be filled in correctly.


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