Why doesn't my iPhone 5 sync with my iTunes on my laptop?

When I plug my phone into my windows laptop, it doesn't is regular sync until the last step and it just says "waiting for changes to be applied". I waited for about 30 minutes and still nothing. What can I do?

Steps Here: Set up syncing

Before you set up syncing, install the latest version of iTunes. To use Wi-Fi syncing, you need these:

iTunes 10.5 or later
iOS 5 or later

Each time you sync, your content updates between your iOS device and computer to show new, updated, or deleted content. You can change your sync options at any time.
Sync using USB

Open iTunes.
Connect the iOS device to your computer using the included USB cable.
Click the Device button in the upper right corner. (If viewing the iTunes Store, click the Library button first.) If you don't see your device, you may need to hide the sidebar. Choose View > Hide Sidebar.

Some tabs may not appear if you don't have the corresponding content in your library. For example, if you don't have any podcasts in your library, the Podcast tab won't appear.
Click Apply, in the lower-right corner of the screen, to sync.

Sync using Wi-Fi

Open iTunes
To set up Wi-Fi syncing, connect your iOS device to your computer with the included USB cable.
Click the Device button in the upper right corner. (If viewing the iTunes Store, click the Library button first.) If you don't see your device, choose View > Hide Sidebar.
In the Summary tab, select "Sync with this [device] over Wi-Fi."
When the computer and the iOS device are on the same network, the iOS device will appear in iTunes, and you can sync it. The iOS device will sync automatically when the following conditions are true:
The iOS device is charging.
iTunes is open on the computer.
The iOS device and the computer are on the same Wi-Fi network.
While the iOS device is in the left-hand column of iTunes, you can select the content tabs and configure sync options.
Click Apply or Sync to sync the iOS device.

If the iOS device doesn't appear in the Devices section or you can't sync, please try these steps.

Hope it will help you!

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