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Old 04-05-2010, 06:46 AM   #1
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No operating system found

Halo everybody,
I have been working with dualboot XP and ubuntu on my laptop and screwed the system completely. No matter what I do I get the message "Operating system not found".I also have been trying with, super grub disk, without success.
My question: Can I solve the problem with a new or a blank Harddisk?
Thank you, walthi.
Old 04-05-2010, 07:12 AM   #2
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I presume Windows XP was installed first. The easist fix to do would be to reboot using the Windows XP CD. Run through the setup wizard and launch repair. You'll have to recreate the master boot record for windows. Attached is a website with exact instructions I used to solve NTLDR messages you want options 6 and 7.

Get the system back into Windows and then you can blow away the Linux partitions and start again. "This is providing you let the Linux install disk configuration and you didn't manually try and create the partitions".
Old 04-05-2010, 08:48 AM   #3
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Originally Posted by walthi View Post
Can I solve the problem with a new or a blank Harddisk?
That would be an extreme solution.....

Try booting up with any Linux Live CD (Your Ubuntu disk is probably one), open a terminal, and enter "fdisk -l" or "sudo fdisk -l". Post the results here.

Depending on the setup, you might be able to install GRUB to the mbr. (Tho previous post talks about getting the Windows loader in the mbr.)
Old 04-13-2010, 11:52 AM   #4
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thank you all for trying to help.
The problem lies deeper. I formated the harddisk and tried to install Ubuntu, still "operatingsystem not found". In setup, no harddisk can be found.


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