My steps for rooting a toshiba thrive hmj 37.31.5.011

Toshiba thrive version HMJ 37.31.5.0011.

I got all the information from thriveforums.org threads.

1. Downgrade to HMJ37.01.5.0032
http://www.thriveforums.org/forum/dalepl-development/4359-downgrade-official-toshiba-hmj37-31-5-0011-hmj37-01-5-0032-rollback.html

2.) Boot into recovery mode ( power off -> hold power + volume up)
3.) Select white package, select 'install update from external card'
4.) Reboot - thrive is downgraded
5.) Turn on usb debugging in settings -> applications -> development
6.) Download dalenet easy flash tool http://www.thriveforums.org/forum/dalepl-development/1974-root-tool-dalenet-thrive-10-1-easy-flash-tool.html
7.) Download a rooted ROM
8.) Extract easy flash tool
9.) Plug in thrive, install adb drivers (they were part of easy flash tool zip) (takes a while)
10.) PS C:\Users\youri\Downloads\DaleNet-Thrive_10-Easy_Flash_Tool-v1.5\tools> .\adb.exe devices
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
List of devices attached
280400643406517 device
11.) shutdown, boot into recovery mode
12.) select fast boot (usb icon)
13.) Device looks like hangs at 'starting usb download protocol'
14.) PS C:\Users\youri\Downloads\DaleNet-Thrive_10-Easy_Flash_Tool-v1.5\tools> .\fastboot.exe devices
?       fastboot
15.) Reboot it
16.)PS C:\Users\youri\Downloads\DaleNet-Thrive_10-Easy_Flash_Tool-v1.5\tools> .\fastboot.exe reboot
rebooting...

finished. total time: -0.000s

17.) Steps 9-16 confirm that the usb connection is good
18.) Reboot into fastboot again
19.) Run  thrive_easy_flash_tool.bat
20.) Select #1
21.) extract update.zip from rom image onto the sd card
22.) go to applications -> super user and update it
23.) root has been obtained
24. safe boot again
25.) thrive easy flash tool
26.) 3 - install  flash recovery
27.) Install clockwork
28.) thrive will hang at installing mrb image
29.) reboot into recovery, select the package icon
30.) should be in CWM mode, install zip from sdcard
31.) reboot from the cwm menu
32.) Should be on the right image now & rooted