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[Windows 7 Pro] Change from dynamic to basic without data-loss?

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On a brand-new computer with Windows 7 Professional found 8 partitions:

Volume Type System
none basic none
C: dynamic NTFS
D: dynamic NTFS
E: dynamic NTFS
F: dynamic NTFS
G: dynamic NTFS
H: dynamic NTFS
System Reserved dynamic NTFS

The first and last partition are hided (containing recovery information).
System originally had W7 Home Premium (recovery on hided partitions) and was changed to W7 Pro on installing W7 Pro from original Microsoft DVD.
Now I want a) delete the hidden partitions and b) change the rest from dynamic to basic. And doing all without any data-loss. Can this be done with DD11 and if yes on how?
I'm having DD11 and TI Home 10 and 11 including the Plus-packs 10 and 11 (preferences are on TI 10, 'cause TI11 is a step back).

If there is no possibility to change without data-loss (on using DD11), is the following procedure the right way?:
1. Back all partitions (not the 2 hidden partitions) on using TI10 to external USB-HD
2. Create emergency CDs from DD11 and TI10 (including Plus10)
3. Boot with emergency CD and delete ALL partitions
4. Create basic partitions on using DD11 (from emergency media)
5. Restore all partitions on using TI10 (from emergency media) and make boot-partition as active
6. Re-boot the computer from HD

Does the restore of a dynamic partition (with TI10) to a basic partition not changes the just created basic partition to a dynamic one?

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As long as the partitions are simple volumes it should be able to do the conversion. Please note that it's recommended to create an Entire Disk Image backup before making changes.