Way 4. Repair unallocated disk space by creating a new partition. Way 5. Delete volume. Way 1. Update the hard driver via Device Manager. 1. Get to Device Manager by clicking on "Start" and typing in "devmgmt.msc" or by going to Control Panel and clicking on "Device Manager". 2. The conversion with Windows built in tool will delete everything on your disk including recovery partition. Using diskpart.exe or disk management to convert MBR to GPT, you need firstly to delete this disk to make it shown as unallocated space. Therefore, you'd better backup the needed information before doing it. Apr 29, 2022. #5. Even with third party programs you can't leap frog over a partition. You can move partitions to left or right, merge two partitions, extend a partition to include the adjacent unallocated space. As said above, show a screenshot of the Disk Management and we can see what's what. Any free space would be unallocated space after that partition. When a drive has unallocated space, you can select it to create a new volume. However, 1 MB is not enough space to create a new volume. It would appear that the minimum space to create a new volume appears to be 8 MB. The only reference I could find to the minimum size of a NTFS When you remove Disk 0, what is shown as Disk 1 in the image will be disk 0 on next boot. Delete the Partition 1 from it so then it will only show one instance of Drive 0 Unallocated space. Select that as the drive to install to, and windows will partition it as needed and install windows. After it's complete, reconnect your second physical drive. Method 2. Fix unallocated USB disk with Disk Management. Proceed to the distribution of free space on a flash drive. This is easy to do this way: right-click on Start. A list will appear on the right; click on Disk Management. In a new window, select the bad USB flash drive with the right mouse button. Click Create Volume. Right-click any partition which has free space, and select "Resize/Move Partition". Step 2. A pop-up window will appear, and drag slider bar leftwards. Then, you can click "OK". Step 3. Now you can find that there is an unallocated disk space behind the C drive. To save the changes, please click "Apply". Option 2. 1. Open Disk Management. Right click that 931.51GB of 'Unallocated Space' and choose New - Simple Volume. Accept the defaults and apply that. That will make that drive active, you will be able to see it in File Explorer and use it for storage . . . Hello 7forums! I noticed in the Windows 7 installation at my partition page.. you know, where you select what disk you want to install Windows on, there were two "Unallocated Space"-partitions on 0MB.. both of them. And they were hanging together with my SDD. When I deleted the Unallocated ones, it said that they were probably needed for Highlight the unallocated space and click next. What @ dalchina alluded to. On the screen where there is a list of drives and partitions, highlight each partition and click delete until you have disk 0 showing as nothing but unallocated space. Highlight the unallocated space and click next. wvfkNxZ.