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Booting off USB gives missing os message

asked 2013-01-23 06:08:40 -0500

Paulisabout gravatar image

updated 2014-09-28 13:05:12 -0500

mether gravatar image

Hi, I created a bootable? USB with unetbootin on a mac.

When I boot this on a laptop ( Toshiba L450 ) I get a missing os message and it hangs.

Windows8 will not boot due to a BOOTMGR error and I have no cd that works.

Any ideas out there?

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answered 2015-03-30 19:50:49 -0500

Gregor gravatar image

Some bios will not boot a MBR device unless it sees a valid partition table and one partition is marked bootable.

That is the first thing I would check.

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Asked: 2013-01-23 06:08:40 -0500

Seen: 296 times

Last updated: Jan 23 '13