For the wifi version it is under the advanced options.  You may want
to read the details on the mobileread forum

Tim

On Thu, Oct 20, 2011 at 10:52 PM, Bill Bufton <email address hidden> wrote:
> Wireless.  My KOBO desktop is version 2.1.3  How do I get a factory reset??
> Right now I am plugged into my computer directly, no hub or extension cable
>
> -----Original Message-----
> From: <email address hidden> [mailto:<email address hidden>] On Behalf Of
> Timothy Legge
> Sent: October 20, 2011 9:31 AM
> To: <email address hidden>
> Subject: [Bug 807832] Re: Error communicating with device - Kobo -
>
>
> Your kobo need a factory reset. What version is it?  Original, wifi, touch
>
> --
> You received this bug notification because you are subscribed to a duplicate
> bug report (808596). https://bugs.launchpad.net/bugs/807832
>
> Title:
>  Error communicating with device - Kobo -
>
> Status in calibre: e-book management:
>  Fix Released
>
> Bug description:
>  I have the wireless Kobo and have been using Calibre almost since I
>  first got it.  I have just updated to the latest version (0.8.9) just
>  in case that helps.  My operating system's Windows 7
>
>  Lately, my Kobo hasn't been processing new content.  I reset it and
>  tried again.  Now I'm getting an error message in Calibre and even the
>  pre-loaded books aren't showing up in the device tab.
>
>  I tried deleting and loading the images folder and KoboReader.sqlite
>  as that corrected someone elses problem, that looked like it might be
>  similar.
>
>  Here's the remainder of the error message:
>
>  calibre, version 0.8.9
>  ERROR: Error: Error communicating with device
>
>  no such column: FavouritesIndex
>
>  Traceback (most recent call last):
>    File "site-packages\calibre\gui2\device.py", line 81, in run
>    File "site-packages\calibre\gui2\device.py", line 332, in _books
>    File "site-packages\calibre\devices\kobo\driver.py", line 276, in books
>    File "site-packages\calibre\devices\kobo\driver.py", line 722, in
> sync_booklists
>    File "site-packages\calibre\devices\kobo\driver.py", line 694, in
> update_device_database_collections
>    File "site-packages\calibre\devices\kobo\driver.py", line 609, in
> reset_favouritesindex
>  OperationalError: no such column: FavouritesIndex
>
>  I followed the directions on the link below, also to no avail.  This
>  is the information from the debug:
>
>  Version: 0.8.9
>  USB devices on system:
>  [u'usb\\root_hub&vid1002&pid4397&rev0000',
>   u'usb\\root_hub&vid1002&pid4397&rev0000',
>   u'usb\\root_hub&vid1002&pid4397&rev0000',
>   u'usb\\root_hub20&vid1002&pid4396&rev0000',
>   u'usb\\root_hub20&vid1002&pid4396&rev0000',
>   u'usb\\root_hub20&vid1002&pid4396&rev0000',
>   u'usb\\vid_148f&pid_2000&rev_6817',
>   u'usb\\vid_174f&pid_1134&rev_1118',
>   u'usb\\vid_174f&pid_1134&rev_1118&mi_00',
>   u'usb\\vid_2237&pid_4161&rev_0110']
>  Drives detected:
>        (0) E:\ ~
> \\?\STORAGE#VOLUME#_??_USBSTOR#DISK&VEN_KOBO&PROD_EREADER&REV_0110#KBN647123
> S03079&0#{53F56307-B6BF-11D0-94F2-00A0C91EFB8B}#{53F5630D-B6BF-11D0-94F2-00A
> 0C91EFB8B}
>  Available plugins: ADAM ALEX ALURATEK_COLOR ANDROID ARCHOS7O AVANT AZBOOKA
> BAMBOOK
>  BLACKBERRY BOEYE_BDX BOEYE_BEX BOOQ BOOX COOL_ER CYBOOK DBOOK E52 E71X
>  EB511 EB600 EBK52 ECLICTO EDGE EEEREADER ELONEX ESLICK
>  FOLDER_DEVICE_FOR_CONFIG GEMEI GER2 HANLINV3 HANLINV5 ILIAD INVESBOOK
>  IPAPYRUS IREXDR1000 IREXDR800 IRIVER_STORY ITALICA ITUNES JETBOOK
>  JETBOOK_MINI KINDLE KINDLE2 KINDLE_DX KOBO LIBREAIR LUMIREAD MENTOR
>  MIBUK MOOVYBOOK N516 N770 N810 NEWSMY NEXTBOOK NOOK NOOK_COLOR NUUT2
>  ORIZON PALMPRE PDNOVEL PDNOVEL_KOBO PICO POCKETBOOK301 POCKETBOOK360
>  POCKETBOOK360P POCKETBOOK602 POCKETBOOK701 PRS505 README S60 SHINEBOOK
>  SNE SOVOS SPECTRA STASH SUNSTECH_EB700 SWEEX TECLAST_K3 THEBOOK
>  TREKSTOR USER_DEFINED VELOCITYMICRO WEXLER
>
>  Looking for devices...
>        u'usb\\vid_2237&pid_4161&rev_0110'
>                Detected possible device KOBO
>
>  Devices possibly connected: Kobo Reader Device Interface,
>  Trying to open Kobo Reader Device Interface ... OK
>  Main memory: 'E:\\'
>  Total space: (1162457088, 0, 0)
>
>
>  Thanks in advance for your help!
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/calibre/+bug/807832/+subscriptions
>
> --
> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/807832
>
> Title:
>  Error communicating with device - Kobo -
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/calibre/+bug/807832/+subscriptions
>