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Fix New Simple Volume Greyed Out Error in Windows 10/8/7

Updated on Feb 26, 2018 by Tracy King to Partition Manager

New Simple Volume is greyed out in Disk Management and your PC is not available for you to create new partition anymore? Relax! Here in this article, we’ll provide you effective methods to fix this issue and create new partition in Windows 10/8/7.

Now simple volume is greyed out, can't create volume on unallocated space, help!

Are you having this issue that when you tried to use Disk Management to create a new partition on your PC, it won't allow you to do so since New Simple Volume option is greyed out? Then you tried several times, it still shows up as the same result?

New Simple Volume greyed out in Windows 10/8/7.

Why does New Simple Volume option show up as greyed out on your PC?

Why is creating new partition not available on PC?
What makes new simple volume greyed out?
Cannot create volume on unallocated space, why?

Disk Management tool is a professional partition management tool in Windows PC, supporting users to create a new partition, shrink volume or extend partition with ease. However, some users may have encountered this problem that they cannot create a new partition in their Windows 10/8/7 PCs anymore since the New Simple Volume is greyed out.

Why? The major reason is the MBR disk limitation - only four primary partitions are allowed to be created, which means that if your partitions have reached the maximum number, you will not be able to create further more partitions from unallocated space on your PC.

So how to make full use of disk space on your PC? How to create new partitions? The only solution is to convert your disk from MBR to GPT disk.

How to fix 'New Simple Volume greyed out' error in Windows 10/8/7?

So how to make New Simple Volume option work again in Windows 10, 8 or 7 PC? Yes, it is to convert MBR to GPT. Let's see how to get the problem fixed now:

Step 1. Convert MBR to GPT disk to remove 'New Simple Volume greyed out' error

Here you'll have 2 methods to convert MBR to GPT disk so to create more new volumes on your PC and you can follow eighter methods to get this issue solved:

Method 1. Convert MBR to GPT within 3 steps

If you prefer a simple and effective way to convert MBR to GPT disk, you may let professional partition manager software for help:

1. Download and run EaseUS Partition Master.

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 Windows 10 is supported

2. Right-click the disk that you need to create new partition and select - Convert MBR to GPT.

Convert MBR to GPT to fix new simple volume greyed out error.

3. Click Apply to finish the process.

Method 2. Change MBR to GPT with diskpart command

  1. 1. Open Command Prompt and type: diskpart and hit Enter.
  2. 2. Type: list disk and hit Enter.
  3. 3. Note the disk number of the MBR disk that you want to convert to MBR and type: select disk 0 (0 shall be the disk number of your MBR disk) and hit Enter.
  4. 4. Type: convert gpt and hit Enter.
  5. 5. Type: exit and hit Enter to finish the process.

Step 2. Create New Simple Volume in Windows 10/8/7 with Disk Management

After this, you can use Disk Management tool to create a new partition with New Simple Volume option in your Windows 10/8/7 PC again:

1. Right-click This PC/Computer and select Manage.
2. Click Disk Management and right-click unallocated space, select New Simple Volume.
3. Click Next, follow the onscreen instructions to set new size, name and file system for new partition on your PC.
4. Finally, click Finish to complete the process.
After all these steps, restart PC to use the newly created partition to save data then.