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I've tried to install Ubuntu on a VMWare Virtual Machine, but it never gets past the bootloader :

ISOLINUX 4.01 debian-20100714 ETCD Copyright (C) 1994-2010 H. Peter Anvin et al
No DEFAULT or UI configuration directive found!
boot: _

I've also tried to burn this .iso image to a CD and go from therem but I got the same problem.

Some more details :

  • VMWare Server 2.0.2 Build 203138 on Windows 2008 R2
  • ubuntu-10.10-desktop-i386.iso image used (downloaded yesterday evening)
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Remark : The 10.04 LTS .iso boots like a charm - so that issue seems to be related to 10.10 ... –  user12378 Mar 14 '11 at 19:32
    
Have you tried downloading the ISO again? Perhaps you have a corrupt ISO –  Reuben Swartz Mar 14 '11 at 23:17
    
Hello Reuben, yes - I've downloaded it again after my first tries failed. Same result !!! I've also downloaded the 10.04 LTS version and the Server version - both can be installed without a problem ... –  user12378 Mar 15 '11 at 0:33
    
I'm having this problem too but only on the amd64 version. The 32-bit version works fine. –  Cogwheel Apr 9 '11 at 19:01
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2 Answers 2

If you are able to use a USB stick as installation media, then rename the following:

  • isolinux --> syslinux (this is a folder)
  • isolinux.bin --> syslinux.bin
  • isolinux.cfg --> syslinux.cfg

This worked for me.

Original source: 1, 2

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I'm not sure how USB flash drives are relevant to the question... –  Cogwheel Apr 9 '11 at 18:58
    
My iso already have an 'syslinux.cfg'. Do I replace it with 'isolinux.cfg'? –  cvsguimaraes Jul 31 '12 at 0:29
1  
Same as cvsguimaraes for me. Folder was already called 'syslinux' and there is already a 'syslinux.cfg' present, but there's no 'bin' file for either. I tried making a Live USB using Lili and 12.10 64-bit. –  Erlend Dec 7 '12 at 3:34
    
Got this same error trying to install beta Ubuntu Studio 13.10 to a physical machine. This fixed it! +1, Thanks. –  Paul Oct 12 '13 at 4:11
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Two suggestions:

Suggestion 1:

If you are using a USB stick, make sure it is formatted as FAT16 (or just FAT), not as FAT32.

Suggestion 2:

Try entering mboot.c32 -c boot.cfg at the "boot:" prompt.

(Source)

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3  
I tried #2 and it didn't help: Could not find kernel image: mboot.c32. –  poolie Sep 13 '12 at 9:07
4  
Formatting as FAT16 solved the issue for me: superuser.com/questions/202160/… –  Mike Sep 29 '12 at 23:15
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protected by Community Apr 5 '12 at 19:19

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