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Why When I start install Ubuntu using CD Drive (windows 7 has installed),the Hard Drive only show two partition..? whereas I have four partition and 40GB unallocated (i planned this for install Ubuntu) on my ASUS N43SL notebook..

shown when install Ubuntu : 100 MB System, 150 GB (windows 7) and 590 GB (40 GB not shown)

Shown on windows 7: 100 MB System, 150 GB Drive C, 194 GB Drive E, 220 GB Drive F, 100 GB DRIVE G,

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Are you using Dynamic Disks in Windows? –  Sergey Aug 16 '12 at 3:09
    
yes,i'm using dynamic disk,, how to convert dynamic disk to basic disk without losing data..? i'm using windows7 ultimate 64 bit.. –  Lucky Endey Aug 16 '12 at 7:16

1 Answer 1

Dynamic disks is a proprietary extension which only Windows understands, you're right that you need to convert such disks back to basic disks to be able to install any non-Windows OS.

Here are the instructions on superuser - I can't confirm they're working as I usually don't keep Windows on my laptops.

Make sure you have a backup of your data in any case.

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is there an easier and safer way..? i tried install using wubi(file ubuntu-12.04-desktop-i386.iso in the same folder with wubi.exe),why after reboot and go to the desktop ubuntu, the installation never completed..? –  Lucky Endey Aug 16 '12 at 8:07

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