When you connect your device to your computer for the first time, Windows Media Player starts the Device Setup Wizard, which helps you set up automatic or manual synchronization between the Player and your device.
When you connect your device to your computer after automatic synchronization has been established, the Player and the device begin synchronizing the content you selected, until all of the items are synchronized. If the Player detects that your device does not have enough room to store all of the automatically synchronized content, the Player and the device will synchronize content in priority order, either by default priority order or by a priority order that you select.
When you connect your device to your computer after manual synchronization has been established, you must select the content and specify the order in which it is synchronized. If the Player detects that your device does not have enough room to store all of the manually synchronized content, it will display a message next to the items that it cannot synchronize to your device. You can change the synchronization order or delete items from the synchronization list, and then start synchronization manually.
When synchronization finishes, the message "Synchronization is complete" is displayed above the Items to Sync pane (the left side of Sync) and two types of categories are displayed in the Items to Sync pane: the number of items that were synchronized successfully and the number of items that were not synchronized due to errors, along with the error details. There may be more than one error category displayed if different types of errors occurred during synchronization. You can expand these categories to view the individual items that failed to synchronize due to errors and take the appropriate steps. You can also view the synchronized files on the device by expanding the category or playlist that contains the items in the Items on Device pane (the right side of Sync).
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