External hard drive shows unallocatedin Disk Management is an annoying issue that troubles many users.
If you are one of them, youve come to the right place.
Here thisMiniToolguide is dedicated to showing you how to fix unallocated external hard drive without losing data.
There are generally two situations when an external hard disk displays as unallocated.
How to recover unallocated external hard drive?
Here two expert file/partition recovery tools are highly recommended:MiniTool Power Data Recovery&MiniTool Partition Wizard.
Continue reading to find detailed information about unallocated external hard drive data/partition recovery.
Hard disk partition was accidentally deleted?
Now you’re able to get the most effective solution to recover data after deleting a partition.
Recover Data/Partition From Unallocated External Hard Drive
Way 1.
Connect the external hard drive to your PC via a USB port.
Download, install, and launch MiniTool Power Data Recovery Free to get its main interface.
UnderLogical Drives, all existing partitions, lost partitions, and unallocated space are displayed.
Optionally, you could switch to theDevicestab and opt to scan the whole disk.
Crucially, if the file name appears distorted, previewing confirms its the file youre seeking.
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How to recover data from formatted Transcend external hard drive?
This post shows you some effective ways as well as disk formatting tips.
Way 2.
To complete this task, you have to seek help from MiniTool Partition Wizard.
Step 1. double-check the external hard drive is well connected to your PC.
Launch MiniTool Partition Wizard to enter its home page.
Here, you better click thePartition Recoveryoption.
Step 4. grab the external hard drive youd like to recover partitions from, then clickNext.
Choose a scanning range fromFull Disk,Unallocated Space, andSpecified Range.
After that, clickNext.
Choose a scanning method fromQuick ScanandFull Scan.
you might choose Quick Scan first.
After that, clickNext.
After scanning, select all required partitions and click theFinishbutton to save them.
Click theApplybutton in the bottom left corner to complete the partition recovery task.
Right-hit the restored partition and selectChange Letterfrom the context menu.
Then choose a drive letter from the list and clickOK.
Finally, click theApplybutton.
We have listed how to do these steps for your reference.
Solution 1.
In the pop-up window, choose a preferred partition style fromMBRandGPT.
After initializing the external hard drive, you gotta partition it for further use.
Right-poke the unallocated space and selectNew Simple Volumefrom the context menu.
Specify the volume size and clickNext.
Select a drive letter from the drop-down list and clickNext.
Set up the file system and other required values and clickNext.
Solution 2.
The steps to create a partition in Disk Management are the same as described above.
you could complete this task with its free edition.
Step 1. double-check the external hard drive is connected to your PC.
Get MiniTool Partition Wizard Free downloaded and installed, then launch it.
On its home page, grab the unallocated space and click theCreate Partitionoption from the left panel.
Finally, clickApplyto make the operations take effect.
In addition, we recommend that you do not store important data on only one disk.
First, you should probably recover files from the unallocated space or restore the lost partitions directly.
Second, you’re free to create new partitions on the external hard drive for new data storage.
Besides, its important for you to focus on the above suggestions to prevent partition/data loss.
