Apple iPad iOS 4.2 - Manual (Page 168)

Sound, Music, and Video
No Sound
Make sure the iPad speaker isn’t covered. Â
Make sure the Silent button isn’t in the up position. See “ Â Volume Buttons” on page 9.
If you’re using a headset, unplug it, then plug it in again. Make sure you push the Â
plug all the way in.
Make sure the volume isn’t turned all the way down.
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Music on iPad might be paused. If you’re using a headset with a play button, try Â
pressing the play button to resume playback. Or from the Home screen, tap iPod,
then tap .
Check to see if a volume limit is set. From the Home screen, choose Settings > iPod >
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Volume Limit. For more information, see “iPod” on page 156.
If you’re using the line out port on the optional iPad Dock or Keyboard Dock, make
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sure that you turn on the external speakers or stereo, and that they’re plugged
in correctly and working properly. Use the volume controls on the the external
speakers or stereo, not on iPad.
If you're using an app that works with AirPlay, check to see if the AirPlay device
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you're sending the sound to is turned on and the volume is turned up. If you want
to hear sound through iPad's speaker, tap and select it from the list.
A Song, Video, or Other Item Won’t Play
The song, video, audiobook, or podcast may be encoded in a format that iPad doesn’t
support. For information about the audio and video file formats iPad supports, go to
www.apple.com/ipad/specs.
If a song or video in your iTunes library isn’t supported by iPad, you may be able to
convert it to a format iPad supports. For example, you can use iTunes for Windows
to convert nonprotected WMA files to a format iPad supports. For more information,
open iTunes and choose Help > iTunes Help.
No Video or Sound when Using AirPlay
To send video or audio to an AirPlay device such as an Apple TV, iPad and the AirPlay
device must be connected to the same wireless network. If you don't see the
button, iPad isn’t connected to the same Wi-Fi network as Apple TV.
When sound or video is being sent to an AirPlay device, iPad doesn’t display video Â
or play audio. To direct the content to iPad and disconnect from the AirPlay device,
tap and select your iPad from the list.
If the Apple TV has been set up to require a passcode, you must enter it on iPad
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when asked, in order to use AirPlay.
168 Appendix B Tips and Troubleshooting