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Windows 7: 100GB of free space is unusable, not able to create new simple volume

20 Jan 2012   #11
seavixen32

Windows 7 Ultimate SP1 64-Bit
 
 

Quote   Quote: Originally Posted by tushicomeng View Post
i got this info on the sectors being used by the partitions
since sda4 and sda5 share some, is that the reason why i am not able to delete the partition?
or just that I have already made 4 primary drives
As has already been explained to you, you can only have up to four primary partitions on your hard drive.

Delete what's after your C drive then create a new extended partition in the resulting unallocated space.

Alternatively you could just extend your C drive to take up the empty space.

Partition Wizard is used by many of us and is a method we recommend.

Partition Wizard : Use the Bootable CD


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20 Jan 2012   #12
tushicomeng

Windows 7 Home Basic 64 bit
 
 

partition wizard shows the 95GB ubuntu partition as logical whereas Windows Disk management shows this as primary
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20 Jan 2012   #13
cluberti

Windows 10 Pro x64
 
 

Windows only recognizes a small number of partition types as logical, and the rest as primary (or unknown), so if you created it with another tool (or under Ubuntu) as a logical partition, it's going to depend on what the actual partition type that was used to create the partition was, and which tool created it. Windows says it's primary, so Windows won't let you create another primary partition.
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20 Jan 2012   #14
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

I would think you would be able to grow the C: partition into that space with the Windows disk management.

If you want to use it for the partition on the other side of it, I think you would need to use partition wizard.
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20 Jan 2012   #15
ignatzatsonic

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit
 
 

I'm not sure he can simply extend C to the right because that free space is inside an extended partition.
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20 Jan 2012   #16
seavixen32

Windows 7 Ultimate SP1 64-Bit
 
 

Cluberti is right.

Because Windows already 'sees' four primary partitions you cannot create another one.

Everything to the right of the C drive needs to be unallocated space, and then you can create a fourth extended partition on it.
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20 Jan 2012   #17
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

Quote   Quote: Originally Posted by ignatzatsonic View Post
I'm not sure he can simply extend C to the right because that free space is inside an extended partition.
But he said he deleted that partition. Don't know, you may be right. Never got myslef into this pickle as I don;t see much point in partitioning drives to this level.
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 100GB of free space is unusable, not able to create new simple volume




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