TS3474: iPod nano (6th generation): Hardware troubleshootingLearn about iPod nano (6th generation): Hardware troubleshooting
Currently Being ModeratedOct 9, 2013 7:08 AM (in response to leofriend)
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If your iPod nano is only showing a white screen, or has lines on the screen, I'd suggest trying to restore the device. This article explains how to restore your iPod:
Restoring iPod to factory settings
If your device isn't working as expected after restoring, then you may need to have it serviced. This article explains the service options that are available for an iPod:
iPod troubleshooting basics and service FAQ