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I downloaded 12.04 64bit, I checked with md5. Seems okay. made bootable usb with usb creater.

Now if try to boot up from live usb. I just get "boot error". Nothing else.

nothing else. googled around. nothing comes out.

UPDATE: some additional info.

  • The usb manufacture is sony.
  • it is fat32 partitioned.
  • Most importantly I could install 12.04 on other systems by same usb.
  • Yes, I definitely setup my Bios boot order to look for USB disk first.
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1  
some USBs dont want to be a bootable.Sandisk usb is an example.If u r on ubuntu try to make a multisystem by this way.pendrivelinux.com/multiboot-create-a-multiboot-usb-from-linux This will help u save time for booting and shutdown of bootable usb and u can add and remove as many ISOs as possible. –  beeju Apr 29 '12 at 18:31
    
@beeju Thanks for the comment. I am not sure i understand how it helps me to put more isos in the same usb. updated my question could you go throught that once again. Thanks –  kindahero Apr 29 '12 at 18:42
    
Did u ever able to boot USB from this particular system? Next time when u give answer, include ur system configuration too. –  beeju Apr 29 '12 at 18:44
    
MAke sure your BIOS is trying to boot from that particular device. –  Eren Tantekin Apr 29 '12 at 18:45
    
About multisystem...it allows to boot many ISOs with a greb menu on the USB.It never act as startup disk for installing any apps but can do all other activities as a live media.When u need to remove and add other ISOs just run the app and slect the one u want to remove and follow the instruction.A drag and drop of ISOs is also allowed. –  beeju Apr 29 '12 at 18:48

3 Answers 3

I don't think this has to do with the usb start up disk but with the BIOS.

Check out: http://ubuntuforums.org/showthread.php?t=1042487 for a user with a similar problem he fixed it by:

go to Bios Boot Menu...
Search for ' USB Mass Storage Emulation type'
Default:<Auto>
Change it to:<All Fixed Disc>
or something similar

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1  
+1, the steps in post #6 of the above link solved my identical problem -- may only work with an Intel motherboard though. –  Ash Oct 19 '13 at 9:29

Try to use ext4 instead of fat32. If it still doesn't work, try unetbootin to get a Live-USB.

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I just experienced a similar error. And I think the reason lays in the way Sony formats the usb, or in my case the sd-card. I never had any problems with the card getting read by Ubuntu, but after a format inside the Sonyphotocamera, i could not read it.

The program Disk Utility showed the card, formated as fat32, and after formatting it to fat, I could read it with no problems.

I would suggest, dont use a windows file system when installing a linux file system.

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