Apple MD777LL/A 用户手册
Chapter 6
Tips and Troubleshooting
25
If you connect iPod shuffle to your computer and nothing happens
•
Connect iPod shuffle to a high-power USB 2.0 port on your computer. The iPod shuffle battery
may need to be recharged.
may need to be recharged.
•
Make sure you installed the latest iTunes software from
•
Try connecting the USB cable to a different USB 2.0 port on your computer. Make sure the USB
cable is firmly connected to iPod shuffle and to the computer. Make sure the USB connector is
oriented correctly. It can be inserted only one way.
cable is firmly connected to iPod shuffle and to the computer. Make sure the USB connector is
oriented correctly. It can be inserted only one way.
•
iPod shuffle might need to be reset. Turn iPod shuffle off, wait 10 seconds, and then turn it back
on again.
on again.
•
If iPod shuffle doesn’t appear in iTunes or the Finder, the battery may be completely
discharged. Let iPod shuffle charge for several minutes to see if it comes back on.
discharged. Let iPod shuffle charge for several minutes to see if it comes back on.
•
Make sure you have the required computer and software. See
on page 26.
•
Try restarting your computer.
•
You might need to restore iPod software. See
page 26.
•
iPod shuffle may need to be repaired. You can arrange for service on the iPod shuffle Service &
Support website at
Support website at
.
If you can’t sync a song or other item to iPod shuffle
The song might have been encoded in a format that iPod shuffle doesn’t support. The
following audio file formats are supported by iPod shuffle. These include formats for audiobooks
and podcasts:
The song might have been encoded in a format that iPod shuffle doesn’t support. The
following audio file formats are supported by iPod shuffle. These include formats for audiobooks
and podcasts:
•
AAC (M4A, M4B, M4P) (8 to 320 kbps)
•
Protected AAC (from the iTunes Store)
•
Apple Lossless (a high-quality compressed format)
•
MP3 (8 to 320 kbps)
•
MP3 Variable Bit Rate (VBR)
•
Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+)
•
WAV
•
AA (audible.com spoken word, formats 2, 3, and 4)
•
AIFF
A song encoded in Apple Lossless format has near CD-quality sound, but takes up only about
half as much space as a song encoded in AIFF or WAV format. The same song encoded in AAC
or MP3 format takes up even less space. When you import music from a CD using iTunes, it’s
converted to AAC format by default.
half as much space as a song encoded in AIFF or WAV format. The same song encoded in AAC
or MP3 format takes up even less space. When you import music from a CD using iTunes, it’s
converted to AAC format by default.
You can automatically convert files encoded at higher bit rates to 128 kbps AAC files as they’re
synced with iPod shuffle. See
synced with iPod shuffle. See
on page 16.
Using iTunes for Windows, you can convert unprotected WMA files to AAC or MP3 format. This
can be useful if you have a collection of music encoded in WMA format.
can be useful if you have a collection of music encoded in WMA format.
iPod shuffle doesn’t support WMA, MPEG Layer 1, MPEG Layer 2 audio files, or audible.com
format 1.
format 1.
If you have a song in iTunes that isn’t supported by iPod shuffle, you can convert it to a format
iPod shuffle supports. For more information, open iTunes and choose Help > iTunes Help.
iPod shuffle supports. For more information, open iTunes and choose Help > iTunes Help.