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Old 11-10-2015, 05:15 PM   #1
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Nexus 7 Not Detected
My Nexus 7 recently updated to android version 6.0 and now calibre does not detect it.

Debug device detection report:

Spoiler:
calibre 2.43 isfrozen: True is64bit: False
Windows-8-6.2.9200 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '8', '6.2.9200')
Python 2.7.9
Windows: ('8', '6.2.9200', '', 'Multiprocessor Free')
Successfully initialized third party plugins: DeDRM && Kindle and Mobipocket DeDRM && Ignoble Epub DeDRM && Inept Epub DeDRM && eReader PDB 2 PML && Inept PDF DeDRM && Barnes & Noble && Modify ePub && Favourites Menu && Search The Internet && Overdrive Link && Generate Cover && Kobo Utilities && Reading List && Find Duplicates && Resize Cover && Fantastic Fiction && Quality Check && Open With && EpubSplit && Count Pages && Manage Series && View Manager && EpubMerge && Overdrive Link
USB devices on system:
[u'usb\\root_hub30&vid1022&pid7812&rev0003',
u'usb\\root_hub&vid1022&pid7807&rev0011',
u'usb\\vid_045e&pid_0745&rev_0634&mi_00',
u'usb\\root_hub&vid1022&pid7807&rev0011',
u'usb\\vid_045e&pid_0745&rev_0634&mi_01',
u'usb\\root_hub20&vid1022&pid7808&rev0011',
u'usb\\vid_045e&pid_0745&rev_0634&mi_02',
u'usb\\vid_18d1&pid_4ee1&rev_0228',
u'usb\\vid_10f1&pid_1a43&rev_1212&mi_00',
u'usb\\vid_0930&pid_021d&rev_0200',
u'usb\\vid_045e&pid_0745&rev_0634',
u'usb\\vid_0bda&pid_0129&rev_3960',
u'usb\\vid_10f1&pid_1a43&rev_1212',
u'usb\\root_hub20&vid1022&pid7808&rev0011',
u'usb\\root_hub&vid1022&pid7809&rev0011']
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_18d1&pid_4ee1#0ab62c85#{6ac27878-a6fa-4155-ba85-f98f491d4f33}']
MTP device: \\?\usb#vid_18d1&pid_4ee1#0ab62c85#{6ac27878-a6fa-4155-ba85-f98f491d4f33}
{'device_version': u'1.0',
'friendly_name': u'',
'has_bulk_properties': True,
'has_storage': True,
'manufacturer_name': u'asus',
'model_name': u'Nexus 7',
'protocol': u'MTP: 1.00',
'serial_number': u'0ab62c85',
'storage': [],
'type': 'media player'}
Not a suitable MTP device, ignoring

No suitable MTP devices found

Looking for devices of type: SMART_DEVICE_APP
All IP addresses {'{03FF28F6-10A8-4036-9BD2-E5DF16C3E9FD}': [{'addr': '169.254.22.23'}], '{6FD95330-BD46-4A6D-A8BA-BDC056A6DD1A}': [{'addr': '169.254.225.22'}], '{3558E4F9-23F1-4A44-8319-2FB5905FFB07}': [{'addr': '169.254.42.33'}], '{9E264B59-1067-11E4-8250-806E6F6E6963}': [{'addr': '127.0.0.1', 'netmask': '255.0.0.0', 'broadcast': '127.255.255.255'}], '{4776B3A3-1716-433B-80F6-F7631A469D7A}': [{'addr': '10.0.0.3', 'netmask': '255.255.255.0', 'broadcast': '10.0.0.255'}]}
No device is connected

Looking for devices...

Devices possibly connected: None


Advice or suggestions?
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Old 11-10-2015, 09:59 PM   #2
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Your nexus is reporting it has no available storage. Usually rebooting both the device and the computer fixes this. If not, you will need to use one of the wireless connection methods described in the FAQ.
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Old 11-10-2015, 11:17 PM   #3
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My Nexus 7 also just updated to Marshmallow (6.0) and while I normally don't use calibre via USB, I thought I would investigate.

After the connection to the PC is made, look in the Notifications area (the drop-down list at from the top of the screen). In my case I saw a message
Code:
USB for charging
Touch for more options
I touched the notification and was presented with the options
Code:
Use USB for
O  Charging only
O  Transfer files (MTP)
O  Transfer files (PTP)
O  MIDI
I selected the MTP option and calibre instantly saw my device.
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Old 11-11-2015, 08:18 AM   #4
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I tried Peter's suggestion but it didn't work. The debug report now is:

Spoiler:
calibre 2.43 isfrozen: True is64bit: False
Windows-8-6.2.9200 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '8', '6.2.9200')
Python 2.7.9
Windows: ('8', '6.2.9200', '', 'Multiprocessor Free')
Successfully initialized third party plugins: DeDRM && Kindle and Mobipocket DeDRM && Ignoble Epub DeDRM && eReader PDB 2 PML && Inept PDF DeDRM && Inept Epub DeDRM && Quality Check && Generate Cover && Open With && Fantastic Fiction && Resize Cover && Barnes & Noble && View Manager && Search The Internet && Favourites Menu && Count Pages && EpubMerge && Find Duplicates && EpubSplit && Overdrive Link && Modify ePub && Reading List && Kobo Utilities && Manage Series && Overdrive Link
USB devices on system:
[u'usb\\root_hub30&vid1022&pid7812&rev0003',
u'usb\\root_hub&vid1022&pid7807&rev0011',
u'usb\\vid_045e&pid_0745&rev_0634&mi_00',
u'usb\\root_hub&vid1022&pid7807&rev0011',
u'usb\\vid_045e&pid_0745&rev_0634&mi_01',
u'usb\\root_hub20&vid1022&pid7808&rev0011',
u'usb\\vid_045e&pid_0745&rev_0634&mi_02',
u'usb\\vid_18d1&pid_4ee1&rev_0228',
u'usb\\vid_10f1&pid_1a43&rev_1212&mi_00',
u'usb\\vid_0930&pid_021d&rev_0200',
u'usb\\vid_045e&pid_0745&rev_0634',
u'usb\\vid_0bda&pid_0129&rev_3960',
u'usb\\vid_10f1&pid_1a43&rev_1212',
u'usb\\root_hub20&vid1022&pid7808&rev0011',
u'usb\\root_hub&vid1022&pid7809&rev0011']
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_18d1&pid_4ee1#0ab62c85#{6ac27878-a6fa-4155-ba85-f98f491d4f33}']
MTP device: \\?\usb#vid_18d1&pid_4ee1#0ab62c85#{6ac27878-a6fa-4155-ba85-f98f491d4f33}
{'device_version': u'1.0',
'friendly_name': u'',
'has_bulk_properties': True,
'has_storage': True,
'manufacturer_name': u'asus',
'model_name': u'Nexus 7',
'protocol': u'MTP: 1.00',
'serial_number': u'0ab62c85',
'storage': [{'capacity': 13105287168L,
'capacity_objects': 0L,
'description': u'Internal storage',
'filesystem': u'Generic hierarchical',
'free_objects': 1073741824L,
'free_space': 9003773952L,
'id': u's10001',
'name': u'Internal storage',
'rw': True,
'type': u'fixed_ram'}],
'type': 'media player'}

Trying to open: \\?\usb#vid_18d1&pid_4ee1#0ab62c85#{6ac27878-a6fa-4155-ba85-f98f491d4f33}
Opened Nexus 7 successfully
Device info:
{'device_version': u'1.0',
'friendly_name': u'',
'has_bulk_properties': True,
'has_storage': True,
'manufacturer_name': u'asus',
'model_name': u'Nexus 7',
'protocol': u'MTP: 1.00',
'serial_number': u'0ab62c85',
'storage': [{'capacity': 13105287168L,
'capacity_objects': 0L,
'description': u'Internal storage',
'filesystem': u'Generic hierarchical',
'free_objects': 1073741824L,
'free_space': 9003773952L,
'id': u's10001',
'name': u'Internal storage',
'rw': True,
'type': u'fixed_ram'}],
'type': 'media player'}
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Old 11-11-2015, 10:50 PM   #5
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For the heck of it I disabled the Android driver and did the device detection.

I get the following
Spoiler:

calibre 2.43 [64bit] isfrozen: True is64bit: True
Windows-7-6.1.7601-SP1 Windows ('64bit', 'WindowsPE')
('Windows', '7', '6.1.7601')
Python 2.7.9
Windows: ('7', '6.1.7601', 'SP1', 'Multiprocessor Free')
Successfully initialized third party plugins: DeDRM && Save To Format && Obok DeDRM && iOS reader applications && Diaps Editing Toolbag && KoboBooks && Hyphenate This! && Open With && Count Pages && KePub Output && Overdrive Link && EpubSplit && Generate Cover && Resize Cover && FictionDB && Extract ISBN && Quality Check && KindleUnpack - The Plugin && Fantastic Fiction && Goodreads && Modify ePub && Find Duplicates && Kobo Utilities && Manage Series && SmartEject && Webscription && EpubMerge && Reading List && Barnes & Noble && KoboTouchExtended && Overdrive Link
USB devices on system:
[u'usb\\root_hub20&vid8086&pid1c2d&rev0005',
u'usb\\root_hub20&vid8086&pid1c26&rev0005',
u'usb\\vid_046d&pid_c018&rev_4301',
u'usb\\vid_046d&pid_c30f&rev_2300',
u'usb\\vid_046d&pid_c30f&rev_2300&mi_00',
u'usb\\vid_046d&pid_c30f&rev_2300&mi_01',
u'usb\\vid_058f&pid_6364&rev_0100',
u'usb\\vid_058f&pid_6364&rev_0100&mi_00',
u'usb\\vid_058f&pid_6364&rev_0100&mi_01',
u'usb\\vid_0764&pid_0501&rev_0001',
u'usb\\vid_0a5c&pid_2101&rev_0100',
u'usb\\vid_18d1&pid_4ee1&rev_0228',
u'usb\\vid_2687&pid_fb01&rev_0100',
u'usb\\vid_2687&pid_fb01&rev_0100&mi_00',
u'usb\\vid_2687&pid_fb01&rev_0100&mi_01',
u'usb\\vid_8087&pid_0024&rev_0000',
u'usb\\vid_8087&pid_0024&rev_0000']
Unable to get free space for drive: H
(21, 'GetDiskFreeSpaceEx', 'The device is not ready.')
Unable to get free space for drive: I
(21, 'GetDiskFreeSpaceEx', 'The device is not ready.')
Unable to get free space for drive: F
(21, 'GetDiskFreeSpaceEx', 'The device is not ready.')
Unable to get free space for drive: G
(21, 'GetDiskFreeSpaceEx', 'The device is not ready.')
Drives detected:

Disabled plugins: iOSReaderApp KOBOTOUCHEXTENDED ANDROID KOBO

Looking for devices of type: MTP_DEVICE
List of WPD PNP ids:
[u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#vo lume#_??_usbstor#disk&ven_generic-&prod_sm#xd-picture&rev_1.02#8&bc7c096&0&058f63646476&2##{6ac2 7878-a6fa-4155-ba85-f98f491d4f33}',
u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#vo lume#_??_usbstor#disk&ven_generic-&prod_sd#mmc&rev_1.00#8&bc7c096&0&058f63646476&0## {6ac27878-a6fa-4155-ba85-f98f491d4f33}',
u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#vo lume#_??_usbstor#disk&ven_generic-&prod_compact_flash&rev_1.01#8&bc7c096&0&058f63646 476&1##{6ac27878-a6fa-4155-ba85-f98f491d4f33}',
u'\\\\?\\usb#vid_18d1&pid_4ee1#0498ad3c#{6ac27878-a6fa-4155-ba85-f98f491d4f33}',
u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#vo lume#_??_usbstor#disk&ven_generic-&prod_ms#ms-pro&rev_1.03#8&bc7c096&0&058f63646476&3##{6ac27878-a6fa-4155-ba85-f98f491d4f33}']
MTP device: \\?\usb#vid_18d1&pid_4ee1#0498ad3c#{6ac27878-a6fa-4155-ba85-f98f491d4f33}
{'device_version': u'1.0',
'friendly_name': u'',
'has_bulk_properties': True,
'has_storage': True,
'manufacturer_name': u'asus',
'model_name': u'Nexus 7',
'protocol': u'MTP: 1.00',
'serial_number': u'0498ad3c',
'storage': [{'capacity': 13101502464L,
'capacity_objects': 0L,
'description': u'Internal storage',
'filesystem': u'Generic hierarchical',
'free_objects': 1073741824L,
'free_space': 5808308224L,
'id': u's10001',
'name': u'Internal storage',
'rw': True,
'type': u'fixed_ram'}],
'type': 'media player'}

Trying to open: \\?\usb#vid_18d1&pid_4ee1#0498ad3c#{6ac27878-a6fa-4155-ba85-f98f491d4f33}
Opened Nexus 7 successfully
Device info:
{'device_version': u'1.0',
'friendly_name': u'',
'has_bulk_properties': True,
'has_storage': True,
'manufacturer_name': u'asus',
'model_name': u'Nexus 7',
'protocol': u'MTP: 1.00',
'serial_number': u'0498ad3c',
'storage': [{'capacity': 13101502464L,
'capacity_objects': 0L,
'description': u'Internal storage',
'filesystem': u'Generic hierarchical',
'free_objects': 1073741824L,
'free_space': 5808308224L,
'id': u's10001',
'name': u'Internal storage',
'rw': True,
'type': u'fixed_ram'}],
'type': 'media player'}


In both cases I see the USB device for the Nexus being detected
Code:
u'usb\\vid_18d1&pid_4ee1&rev_0228',
and the MTP device being detected
Code:
List of WPD PNP ids:
[u'\\\\?\\usb#vid_18d1&pid_4ee1#0ab62c85#{6ac27878-a6fa-4155-ba85-f98f491d4f33}']
MTP device: \\?\usb#vid_18d1&pid_4ee1#0ab62c85#{6ac27878-a6fa-4155-ba85-f98f491d4f33}
and
Code:
List of WPD PNP ids:
[u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#volume#_??_usbstor#disk&ven_generic-&prod_sm#xd-picture&rev_1.02#8&bc7c096&0&058f63646476&2##{6ac27878-a6fa-4155-ba85-f98f491d4f33}',
 u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#volume#_??_usbstor#disk&ven_generic-&prod_sd#mmc&rev_1.00#8&bc7c096&0&058f63646476&0##{6ac27878-a6fa-4155-ba85-f98f491d4f33}',
 u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#volume#_??_usbstor#disk&ven_generic-&prod_compact_flash&rev_1.01#8&bc7c096&0&058f63646476&1##{6ac27878-a6fa-4155-ba85-f98f491d4f33}',
 u'\\\\?\\usb#vid_18d1&pid_4ee1#0498ad3c#{6ac27878-a6fa-4155-ba85-f98f491d4f33}',
 u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#volume#_??_usbstor#disk&ven_generic-&prod_ms#ms-pro&rev_1.03#8&bc7c096&0&058f63646476&3##{6ac27878-a6fa-4155-ba85-f98f491d4f33}']
MTP device: \\?\usb#vid_18d1&pid_4ee1#0498ad3c#{6ac27878-a6fa-4155-ba85-f98f491d4f33}
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Old 11-11-2015, 11:14 PM   #6
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@GeckoFriend: According to your latest debug log your device is being detected and opened successfulyy, see the line

Opened Nexus 7 successfully
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Old 11-12-2015, 08:30 AM   #7
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Quote:
Originally Posted by kovidgoyal View Post
@GeckoFriend: According to your latest debug log your device is being detected and opened successfulyy, see the line

Opened Nexus 7 successfully
It wasn't showing the on device column. I rebooted both tablet and PC and now it's working.

Thanks to both of you for the help.
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