Do you know the status of your partitions? You could know more detailed information by checking partition properties, such as used space or free space, device name, file system version number, physical total sector, etc.
To check partition properties, please do as the following steps:
Step1: Launch Partition Assistant Server.
Step2: Right-click D partition and select "Properties".
Step3: In the pop-up window, you can view the D drive properties which contain three tags: they are General, Partition Info and File System Info.
Now free download and check your partition properties.