surface book doesn't recognize the iphone x, but recognize iphone 7

1. Make sure that you have the latest version of iTunes that works with your computer.
2. Check that you have the latest software on your Mac or Windows PC.
3. Make sure that your device is turned on.
4. If you see a Trust this Computer alert, unlock your device and tap Trust.
5. Unplug all USB accessories from your computer except for your device. Try each USB port to see if one works. Then try a different Apple USB cable.
6. Restart your computer and iPhone, iPad, or iPod.
7. Try connecting your device to another computer. If you have the same issue on another computer, contact Apple Support.

If you use a Windows PC

Follow these steps to reinstall the Apple Mobile Device USB driver:

1. Disconnect your device from the computer.
2. Reconnect your device. If iTunes opens, close it.
3. Press the Windows and R key on your keyboard to open the Run command.
4. In the Run window, enter:
   

   %ProgramFiles%\Common Files\Apple\Mobile Device Support\Drivers

5. Click OK.
6. Right-click on the

   usbaapl64.inf

   or

   usbaapl.inf

   file and select Install.
   
   You might see other files that start with

   usbaapl64

   or

   usbaapl

   . Make sure to install the file that ends in .inf. If you’re not sure which file to install, right-click a blank area in the File Explorer Window, click View, then click Details to find the correct file type. You want to install the Setup Information file.
7. Disconnect your device from your computer, then restart your computer.
8. Reconnect your device and open iTunes.

If your device still isn't recognized

Check Device Manager to see if the Apple Mobile Device USB driver is installed. Follow these steps to open Device Manager:

1. Press the Windows and R key on your keyboard to open the Run command.
2. In the Run window, enter

   devmgmt.msc

   , then click OK. Device Manager should open.
3. Locate and expand the Universal Serial Bus controllers section.
4. Look for the Apple Mobile Device USB driver.
   

If you don't see the Apple Mobile Device USB Driver or you see Unknown Device:

• Connect your device to your computer with a different USB cable.
• Connect your device to a different computer. If you have the same issue on another computer, contact Apple Support.

If you see the Apple Mobile Device USB driver with an error symbol:

If you see , , or next to the Apple Mobile Device USB driver, follow these steps:

1. Restart the Apple Mobile Device Service.
2. Check for and resolve issues with third-party security software, then restart your computer.
3. Try to install the

   usbaapl64.inf

   or

   usbaapl.inf

   file again.

If the issue persists, contact Apple Support.

If iTunes doesn't recognize your iPhone, iPad, or iPod - Apple Support