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Thread: Boot Failure, boot device was rejected by the Secure Boot feature

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this first time trying install ubuntu. running toshiba qosmio x875-q7390 running windows 8, firmware 6.30 (the latest). had downloaded ubuntu 64 bit iso file , used unetbootin create bootable usb drive. flash drive sandisk titanium 4gb cruzer. when try boot drive error:

boot failure: proper digital signature not found.

1 of files on selected boot device rejected secure boot feature.
what should do?

google friend.

http://www.eightforums.com/tutorials/17058-secure-boot-enable-disable-uefi.html


Forum The Ubuntu Forum Community Ubuntu Official Flavours Support New to Ubuntu [ubuntu] Boot Failure, boot device was rejected by the Secure Boot feature


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