Hard Disk Recovery

Q: My USB hard drive becomes unallocated suddenly, but it contains massive important files! Now, what should I do? How to fix unallocated hard dive? Is it possible to fix unallocated UBS hard drive without losing data?

Here, to recover your unallocated hard drive space without data loss, you are recommended to recover data from this space at first. How to recover files from unallocated hard drive space?

1. Recover data from Unallocated hard drive space
When it comes to unallocated hard drive data recovery, MiniTool Power Data Recovery proves to be an excellent choice. With this professional, simple and green data recovery software, you can easily and effectively recover files from your unallocated USB drive without bringing any damage to the original data, as this read-only tool offers wizard-like interfaces as well as excellent performance.

Step 1: Launch MiniTool Power Data Recovery, and then select Lost Partition Recovery to get lost data back from unallocated hard drive space.

Step 2: Select the USB drive and click Full Scan button.
Step 3: Check all needed files and then click Save button to store them on a safe place.

Video tutorial for recovering data from unallocated hard drive

2. Create new partition on the unallocated hard drive space
After recovering lost data from the unallocated drive space, you can create a new partition on it to restore USB drive capacity by the following steps.

Step 1: Press Windows + R to open Run.
Step 2: Type diskmgmt.msc in the empty box and press Enter.
Step 3: Right-click the unallocated hard drive, and then click “New Simple Volume”.
Step 4: Click Next.
Step 5: Use the Simple Volume Size in MB text box to set the size of the new volume, and then click Next button to continue.

Step 6: Assign drive letter or path of this new volume.
Step 7: Check Format This Volume with the Following Settings, choose NTFS and click Next.

Step 8: Click Finish button.