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I just download and then tried to add new virtual machine. But it gives me an error. I couldn't find the solution. it seems that VM can not find the OS. I do not know how to resolve. Error is: Fatal: no bootable medium found! System Halted. I have Vista and latest version of Sun VirtualBox.

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First get an MD5 sum of the ISO and check it against the md5 provided by ubuntu to make sure the ISO is not corrupt. You have the guest additions loaded as an IDE drive. Can you remove it in case it is trying to boot from it. – Paul Oct 28 '11 at 4:36

migrated from stackoverflow.com Nov 11 '09 at 21:20

5 Answers

up vote 2 down vote

The reason that VirtualBox can't find the OS is that there is no OS.

In order to boot a virtual machine to an OS, you have to install an OS first by mounting an ISO or physical CD with a bootable OS install (eg, an Windows or Linux installation disc)

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up vote 2 down vote

This is now working fine. The virtual machine should point to the .iso image of the OS. This can be done by following steps:

In the Virtual Machine window (where this error is appearing), go to "Devices" tab --> CD/DVD Devices --> More CD/DVD images --> select the location where the .iso image for this OS is stored.

Now Power off the machine and again start from the Virtual box. Your Machine should start.

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up vote 0 down vote

When you first create a Virtual Machine with VirtualBox, there is no OS installed on the HD image. You have to have the VM mount a bootable ISO image to install the OS from.

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This is normal. You need to load a medium (normally, the ISO file of a bootable CD or DVD) into your virtual machine. Your DVD software might be able to create an ISO file of your Vista DVD. Otherwise, use a Linux distribution, for example Knoppix for a first boot.

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An ISO isn't strictly necessary, since you can configure VBox to boot from the actual dvd drive. So if you have a bootable CD/DVD, you should be good. That said, installing from an ISO file is much quicker. – Joe Internet Nov 11 '09 at 23:47
Good to know! - – Pekka 웃 Nov 12 '09 at 1:34
up vote 0 down vote

Hi the Answer is simple.

Go to settings > Storage > Storage Tree

and mount your image/CD/DVD drive under Controller: IDE (Don't use SATA)

Either add a new CD/DVD device or use the existing one.

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