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Why not provide just a tad more information so we might be able to help?
One thing you *did* say (or at least you implied - that's better than nothing ) is that your HP Elitebook 6930p supports USB boot and is configured to use it (Fedora 11/Live USB boots on this PC; Fedora 12/Live USB does't).
Another thing you said (implied )was that your Fedora 12/Live USB is bootable - it works on a different PC.
But exactly where/how does it fail? What happened *after* you powered on? Any error messages or warnings? Did you try any alternate Linux "boot" options? Try editing the contents of the USB? Any other investigation/troubleshooting?
Fedora 12/USB: Fedora 11/USB:
------------- -------------
HP Elitebook 6930p IGNORES USB OK: BOOTS FROM USB
Acer Extensa 4620z OK: BOOTS FROM USB N/A
Which implies:
1. Your HP is configured to boot USB (at least with Fedora 11)
2. Your Fedora 12 is a bootable USB (at least on the Acer)
3. Some combination of the Fedora 12 USB media and the HP BIOS is "preventing ignition"
I Dunno
Suggestions:
1. Try burnng your Fedora 12 to a CD, and see if that boots.
^thx, i'll play around with your suggestions.
i find this interesting:
i mounted both usb's to fc-9 live cd (the fedora-11 usb disk label is referred to as disk-1):
Starting with Fedora 12, .iso files can also be written directly to USB sticks using "dd" or similar tools. Please note this will overwrite any data on the targeted partition, and will also not create storage to support data persistence.
Code:
# dd if=Fedora-12-i686-Live.iso of=/dev/USBDEVICE
i made the original fedora-11 usb using the livecd-iso-to-disk command.
3. create zipdrive with mkdiskimage -4 /dev/sdb 0 63 62 on usbstick as mentioned in some posts for buggy BIOS.
4. dd if=Fedora-16-i686-Live-Desktop.iso of=/dev/sdb bs=8M
I was able to boot from usb when created through dd method. But i got Boot Error when usb is created with other methods.
Finally i got clue from a post where it was indicated that setting USB as HDD solved problem.
In my BIOS in BOOT menu has a option - USB Mass Storage Emulation Type which was Auto by default. I changed it All Fixed Disc. With this change I am finally able to boot from USB created either through liveusb-creator or livecd-iso-to-disk
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