Clean up a disk will erase all partitions on the disk, and meanwhile all data stored on each partition of this disk will be erased too. After cleaning up a disk, the disk usually becomes uninitialized and it shows as uninitialized space under Windows Disk Management. Therefore, you can clean up disk when you want to repartition disk to reallocate disk space. Then, do you know how to clean up disk? IM-Magic Partition Resizer is a partition magic tool, which enables you to clean up disk within a few simple steps.
Step1. Right click the disk (not partitions) that you want to clean up and select "Clean Up Disk" option.
Step2. It will pop up warning message, you just need to click "Yes" to confirm clean up the selected disk.
Step3. It will alert you that it can cause your computer to be unbootable after cleanup system / boot partition, you just need to click "Yes" to confirm again to clean up the disk.
Step4. Click "Apply Changes" button
1. Backup important data in advance since cleanup disk will erase all volumes and all data
2. Your computer will be unable to boot after clean up system / boot partition
For Windows 10/8/7/Vista/XP/2000 ==> Download IM-Magic Partition Resizer Free
For Windows Server All versions ==> Download IM-Magic Partition Resizer Server