Calibre Does Not Recognize iPad Mini

Hi all, I'm trying to send my books to my iPad Mini, but the Send to Device button is not displaying. I tried every suggestion to no avail. My PC recognizes the device, as does iTunes. Here is my debug info: Thanks!

calibre 2.2 [64bit] isfrozen: True is64bit: True
Windows-8-6.2.9200 Windows ('64bit', 'WindowsPE')
('Windows', '8', '6.2.9200')
Python 2.7.8
Windows: ('8', '6.2.9200', '', 'Multiprocessor Free')
USB devices on system:
[u'usb\\vid_05ac&pid_12ab&rev_0250&mi_00',
u'usb\\vid_8087&pid_0024&rev_0000',
u'usb\\root_hub20&vid8086&pid1e2d&rev0004',
u'usb\\vid_064e&pid_e374&rev_0202&mi_00',
u'usb\\root_hub20&vid8086&pid1e26&rev0004',
u'usb\\vid_05ac&pid_12ab&rev_0250',
u'usb\\vid_064e&pid_e374&rev_0202',
u'usb\\vid_0bda&pid_0129&rev_3960',
u'usb\\vid_8087&pid_0024&rev_0000']
Traceback (most recent call last):
File "site-packages\calibre\devices\scanner.py", line 85, in __call__
DriveError: No removable drives found
Drives detected:

No disabled plugins
Looking for devices of type: MTP_DEVICE
List of WPD PNP ids:
[u'\\\\?\\usb#vid_05ac&pid_12ab&mi_00#0#{6ac27878-a6fa-4155-ba85-f98f491d4f33}']
MTP device: \\?\usb#vid_05ac&pid_12ab&mi_00#0#{6ac27878-a6fa-4155-ba85-f98f491d4f33}
{'device_version': u'7.1.1',
'friendly_name': u'Apple iPad',
'has_bulk_properties': True,
'has_storage': True,
'manufacturer_name': u'Apple Inc.',
'model_name': u'Apple iPad',
'protocol': u'MTP: 1.00',
'serial_number': u'DMQM3NNAF196',
'storage': [{'capacity': 15854469120L,
'capacity_objects': 0L,
'description': u'Internal Storage',
'filesystem': u'DCF',
'free_objects': 6221L,
'free_space': 9332510720L,
'id': u's10001',
'name': u'Internal Storage',
'rw': True,
'type': u'fixed_ram'}],
'type': 'unknown'}
Not a suitable MTP device, ignoring

No suitable MTP devices found

Looking for devices...

Devices possibly connected: None