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Bootable usb failure.

post #1 of 5
Thread Starter 
Can't seem to sort out usb booting on my sig. Legacy storage is enabled in the bios, have tried multiple programs to make the usb bootable using debian gnome & kde iso's. Also tried an ubuntu 13.04... no dice. Tried multiple guides, google was dead ends. Have so far tried unetbootin and something from pendrive... uui? Regardless of what I've tried the flash drive just isn't visible as a bootable device in the bios / boot menu so I'm thoroughly stuck. Spent 3 hours last night trying different settings and rebooting my computer, every time it just loaded straight to windows.

2 gig sandisk cruzer if that matters for the flash.

Any ideas, suggestions?

*edit* was using usb 2.0 port directly on the motherboard in the back. Not using the case, hub, or card reader ports.
Edited by Tadaen Sylvermane - 6/16/13 at 8:51pm
 
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post #2 of 5
tried another format and selecting the usb manual for booting via mb bios?
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post #3 of 5
Thread Starter 
Quote:
tried another format and selecting the usb manual for booting via mb bios?

What do you mean by usb manual. If talking about finding and setting boot order that is my problem... It's not there no matter what I've tried yet. The flash drive has a light on it that flickers on and off when I'm in the bios so it's recognizing the flash drive but not seeing it as a bootable option.

On my old computer once made bootable I could just set usb to boot first on the hard drive boot order but it's just not visible on this one. Had this problem awhile back trying to setup a memtest bootable. Just gave up on it figuring I was doing something wrong and that it was a waste of time anyway as I wasn't having consistent problems so I just let it go... at the time that is.

I'm doubting though that every program I've tried and the memtest bootable creator I tried back then are all faulty. It's a problem with my motherboard or a setting somewhere I'm pretty sure I just don't know where or what it could be. Either that or my flash drive just can't be made bootable for some reason.
Edited by Tadaen Sylvermane - 6/16/13 at 8:57pm
 
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post #4 of 5
Thread Starter 
Just tested. My 500 gig usb 2.0 drive is viewable in the bios and movable in the boot order, likely could boot from that. But then the question becomes why doesn't it see the flash drive?
Edited by Tadaen Sylvermane - 6/16/13 at 9:08pm
 
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post #5 of 5
Quote:
Originally Posted by Tadaen Sylvermane View Post

Can't seem to sort out usb booting on my sig. Legacy storage is enabled in the bios, have tried multiple programs to make the usb bootable using debian gnome & kde iso's. Also tried an ubuntu 13.04... no dice. Tried multiple guides, google was dead ends. Have so far tried unetbootin and something from pendrive... uui? Regardless of what I've tried the flash drive just isn't visible as a bootable device in the bios / boot menu so I'm thoroughly stuck. Spent 3 hours last night trying different settings and rebooting my computer, every time it just loaded straight to windows.

2 gig sandisk cruzer if that matters for the flash.

Any ideas, suggestions?

*edit* was using usb 2.0 port directly on the motherboard in the back. Not using the case, hub, or card reader ports.

If it'snot an option as a possible device to boot from then it doesn't matter how you format it or what utility you use to write an ISO to it. It's your BIOS with the issue.

I would recommend making sure you have the latest BIOS. And I do have at least one mobo that sees thumb drives as a usb 2 1/2" floppy sort of device. You might look under there. Or sometimes it's a stupid "zip drive" thing.

If nothing else works try this:
If you otherwise have access to linux use dd to wipe the MBR of the thumb drive, something like this:
Code:
dd if=/dev/zero of=/dev/HDxx count=1 bs=512
Obviously changing the device name as appropriate. It should go without saying but I'll say it anyway: wiping the MBR will make everything on the drive inaccessible. Obviously don't leave anything important on there smile.gif

Safely remove the thumb drive and re-insert. Format with FAT16/32/your favorite EXT or whatever (though the BIOS should see it even without formatting). Reboot and see if the BIOS sees it. I got the idea from this forum/forum post since I apparently didn't have anything better to do rolleyes.gif

Also, there's a dd for windows. Works pretty much the same except for what you call the block devices. Let me know I can provide more details.
Edited by subassy - 6/16/13 at 9:52pm
 
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