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Laptop: Dell XPS m1530 with A12 BIOS.

I have USB EMULATION enabled in the BIOS.

At startup, after pressing F12, USB is shown in the list, but I cant boot from it,, boot device gets automatically changed to internal HDD..

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1 Answer 1

Try setting the USB-HDD as the primary boot device.

Also, I want to say that Dell BIOSs treat all bootable harddrives as a single option in the boot order, and then have a secondary list for the boot order of harddrives. You might try modifying the order of that second list if that's the case.

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If you are mentioning boot sequence then i have already made changes in the boot sequence with usb as the first option –  user40587 Jun 21 '10 at 10:39

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