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I downloaded the ISO file of Ubuntu Server 12.04 (both 64 and 32 bit) and I burnt the image to a blank DVD but the installer is not booting (even when I choose DVD-ROM as the first boot device). My motherboard is ASUS, my OS is Ubuntu Desktop.

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Welcome on Ask Ubuntu, Christian ! Are you installing Ubuntu Server on the same machine as the one which has Ubuntu Desktop ? If yes, you probably had to install Ubuntu Desktop by booting on a CD : try to redo exactly as you did the last time (BIOS configuration, etc). – Agmenor Jul 19 '12 at 3:39
Can you please tell us at what step you are blocked on ? Could you also please edit your question to explain how you had installed Ubuntu Desktop on your computer ? – Agmenor Jul 24 '12 at 15:32
Did you install Ubuntu using Wubi? – hexafraction Aug 15 '12 at 14:00

Maybe the ISO wasn't downloaded or burnt well. Try redoing the process, but this time on a USB key instead of a DVD.

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it is burnnt well, coz i try the desktop version and its working fine. also i tried burning it 3 times. – Christian Jul 19 '12 at 7:31
@agmentor.. yes i did the same thing.. the installer image of ubuntu server has no autorun in its files, the ubuntu desktop have an autorun files? – Christian Jul 19 '12 at 7:37
there is no start.exe and autorun in the .iso i downloaded, take note i download it 5 times now. help – Christian Jul 19 '12 at 8:11
this is the files inside the .iso I downloaded – Christian Jul 19 '12 at 8:23
Apparently you burnt the CD/USB perfectly well. Remember that is is normal that there are no .exe or autorun files, as those are Windows executables. I'll try to open a new answer when you have edited your question with the info I asked as comments to your question. – Agmenor Jul 24 '12 at 15:35

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