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Windows 7: Unintentionally convert OS from basic to dynamic volume

24 Aug 2011   #1
AA light

Windows 7 Ultimate 32 bit , Window 7
 
 
Unintentionally convert OS from basic to dynamic volume

Hello all,

I unintentionally convert OS basic drive to dynamic volume here is my current situation

Unintentionally convert OS from basic to dynamic volume-change-dynamic-os.jpg

please suggest how to convert back to basic ( i prepare for dual boot); otherwise , if i reinstall will it change back to basic by default?

Please advise,




My System SpecsSystem Spec
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24 Aug 2011   #2
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Take a look at this tutorial:

Convert a Dynamic Disk to a Basic Disk
My System SpecsSystem Spec
24 Aug 2011   #3
AA light

Windows 7 Ultimate 32 bit , Window 7
 
 

Thank you theog still be unable to change , please see in the picture. What should I do next?

Unintentionally convert OS from basic to dynamic volume-unable-change-back-basic.jpg Unintentionally convert OS from basic to dynamic volume-syst-reserved-partion.jpg

Unintentionally convert OS from basic to dynamic volume-disk-0-cant-change.jpg


My System SpecsSystem Spec
.

24 Aug 2011   #4
seth500

Windows 7 Ultimate x64
 
 

How did you convert it in the first place? It won't even give me the option in disk management to convert my os partition to dynamic.
My System SpecsSystem Spec
24 Aug 2011   #5
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Did you look at option four?
My System SpecsSystem Spec
24 Aug 2011   #6
AA light

Windows 7 Ultimate 32 bit , Window 7
 
 

seth500 , it just an accident , I would just like to create several partitions (around 8) during installation but 4 primary is allowed. I just need 3 primary and 1 extend to create the left of local partitions. therefore, i did in disk manager yet it convert the forth " primary" to whole dynamic .

theog, i have already checked it , but


Unintentionally convert OS from basic to dynamic volume-unable-change-running-os-free.jpg

What should i do next ? In case of reinstallation , will it change back to basic by default during installation if the whole disk is deleted ?

Please suggest,

Thank you.








My System SpecsSystem Spec
24 Aug 2011   #7
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

You were given the best advice in the post 5, 6, in your thread
Where is my system reserved partition,please ?
Now back to mess.

Make sure you clean the Hd Drive.
SSD / HDD : Optimize for Windows Reinstallation
My System SpecsSystem Spec
24 Aug 2011   #8
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello mate.



Running the clean command will convert back to Basic but at the same time all data on the HDD will be lost.


information   Information

1) To rule out HDD Master Boot Record format errors, boot the Windows 7 installation media to diskpart and run the clean command, it takes only seconds to complete; once the clean finishes, exit diskpart and use the Windows 7 installer to create and format a single 100GB partition for the installation.

If that doesn't work, after another clean, use diskpart to create, format and mark Active a single 100GB partition to see if that works, use Step Two #2 in the SSD/HDD tutorial for reference.

You can always extend the Windows partition to include the remaining unallocated space on the HDD / SSD or create additional Primary partitions or an Extended partition after the installation completes if you choose.

2) If you have ever had Linux installed to the HDD in any way, a simple clean command will not over-write the Grub boot-loader, you must use the full clean all command to completely over-write the Grub loader so Windows will install.
How to Boot to DISKPART at PC Startup

SSD / HDD : Optimize for Windows Reinstallation

My System SpecsSystem Spec
24 Aug 2011   #9
gregrocker

 

You can non-destructively convert the HD from Dynamic back to Basic using PW 4.2 boot disk as it is only a paid option in the new version.

partition wizard 4.2 free.zip - Windows Live

Burn to CD using ImgBurn at 4x speed.

Boot, click on HD, from Disk tab Convert Dynamic to Basic, OK, Apply.
My System SpecsSystem Spec
24 Aug 2011   #10
AA light

Windows 7 Ultimate 32 bit , Window 7
 
 

@Greg, Thank you very much for the easiest and most favorable resolution. It does work.

@Bare Foot Kid, theog , thank you for good tutorial and link , i nearly take this route.

A little bit more inquiry, If I need one partition for reservation in case i need to expand window 7 or xp OS partition. Is it necessary that the reserved partition have to be "primary" or it is Ok to be local partition ?

Please kindly advise,

Thank you
My System SpecsSystem Spec
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