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I'm trying to install Ubuntu on my computer. I have several logical partitions, but the Ubuntu installer shows me only 4 primary partitions. When I run the Ubuntu live CD I have access to all of the logical partitions.

How do I fix it?

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  • Screenshots would be helpful. Can you provide us with a screenshot of the GParted application when running Ubuntu Live, and a screenshot of the partitions page during installation?
    – Alaa Ali
    Jul 12, 2013 at 20:18
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    If you are using the Windows "Dynamic Disk" format, then it is proprietary and unsupported.
    – psusi
    Jul 12, 2013 at 20:26
  • Yes, I'm using Windows "Dynamic Disk" format. So, only solution to get Ubuntu is format?
    – Mr Jedi
    Jul 13, 2013 at 10:18

1 Answer 1

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Some third-party Windows partitioning tools can convert a disk from the proprietary "dynamic disk" (aka Logical Disk Manager, or LDM) configuration to a conventional system with primary, extended, and logical partitions. IIRC, both EaseUS Partition Master and Partition Wizard provide this functionality. Also IIRC, there are free or demo versions of both tools. I'm not very familiar with either of them, though, so I can't help beyond providing the preceding links.

Once the disk is converted to a conventional partitioning setup, the Ubuntu installer should be able to resize the partitions and create partitions for Linux.

Be aware that partitioning operations are inherently dangerous. Thus, I strongly recommend that you make a complete system backup, or at least back up your critical personal data, before using these tools or resizing your Windows partition(s).

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