usb is not booting on tablet

toshiba z10t is not booting with usb . on normal desktop , same usb is booting
techpAsked:
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noxchoGlobal Support CoordinatorCommented:
To boot from external device with any OS you have to disable the secure mode from the security menu in the BIOS then change the boot mode (from UEFI to CSM).

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dbruntonQuid, Me Anxius Sum?  Illegitimi non carborundum.Commented:
*To boot from external device with any OS you have to disable the secure mode from the security menu inthe BIOS then change the boot mode (from UEFI to CSM)*

from https://forum.toshiba.eu/showthread.php?73540-Protege-Z10t-doesn-t-boot-up-from-USB-key-nor-USB-CD-ROM
Michael-BestCommented:
Change the option "Secure Boot" from "Enabled" to "Disabled" and the  "UEFI Boot" to "CSM Boot"  to allow the system to boot from an external device.

1. Power on and while the "TOSHIBA" logo appears, press and hold the "F2" key to enter the BIOS Menu.
2. Select the "Security" tab and set the “Secure Boot” to “Disabled”.
3. Select the "Advanced" tab and go to “System Configuration”.
4. Set the “Boot Mode” to “CSM Boot”.
5. Press the "F10" key to save and exit.
6. Press and hold the "F12" key at "TOSHIBA" logo screen to toggle between the "bootable devices" and choose the "USB" device you want to boot from.

Once you are finished using the external boot device,  to return back to normal operation you must revert the Bios settings to as they were before.
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noxchoGlobal Support CoordinatorCommented:
;-) Here is a picture based guidance on disabling SecureBoot: http://itsfoss.com/disable-uefi-secure-boot-in-windows-8/
Michael-BestCommented:
Re: my first post.
All the steps I posted are achieved in BIOS setup.
If you need screen shots to help you understand, then see:
http://aps2.toshiba-tro.de/kb0/TSB2B03F30002R01.htm

Links do not last forever, thus in my first post, I gave you a guide without any links, as they may become "BLIND"
Others reading this post in the future may not be able to look-up a non continued ( blind ) link...
This is why EE often deletes experts posts with a link only answer.
noxchoGlobal Support CoordinatorCommented:
Well, in my first post I explained what is needed at all. One can easily find instructions once the reason is given.
Michael-BestCommented:
@ noxcho

Points are not my goal.
Let us, just help the OP, who may or may not be PC savvy...

I posted the exact steps required.
Providing a clearly understandable solution for the OP and also for other EE members, that may refer to this post for a solution. :)
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