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Solved: How to Find and Recover Missing Space on Hard Drive in Windows?

Posted on Oct 12, 2017 by Brithny to Partition Manager

Summary:
Missing storage space on internal or external hard drive, or SSD? Is the hard drive not showing correct capacity? Read this page to find and recover the missing space on your hard drive in Windows 7/8/10!

Missing space on your hard drive, where is it?

There are different capacities of the hard disk, including 500GB, 1TB, 2TB, and so on. However, when checking the capacity of the newly bought hard disk in Windows Disk Management or by adding space of each drive, we may find the real disk size is always smaller than those manufacturers advertise. What's the reason? Where is the missing space?

In fact, for hard disk manufacturers 1 GB = 1000 MB, 1 MB = 1000 KB, and 1KB = 1000 B (byte), but actually 1 GB = 1024 MB, 1 MB = 1024 KB, and 1 KB = 1024 B. Therefore a 500 GB hard disk for manufacturers is just 465GB for user. Therefore, around 7% disk space missing on a hard drive is reasonable.

What takes up the missing space?

What if the windows lose too much space on hard drive, PS3 hard drive, XBOX 360 and portable hard drive? To find out the missing storage on the hard disk drive or SSD, we need to first figure out what occupies the missing space. In general, there about 3 situations that cause windows missing space on hard drive.

Hidden partitions take up space

Most computers and laptops come with the hidden partition, such as OEM partition, recovery partition, and Microsoft reserved partition. You can see hidden partitions in Disk Management, or delete OEM partition if you have backed up the system.

System protection takes up much space

System protection is a feature that regularly creates and saves information about your computer's system files and settings. It creates restore points just before significant system events, for example, install a program or device driver. If the restore points set to half the drive capacity, much space will be taken. Check “System Volume Information” folder to view the data.

There is unpartitioned hard disk space

A newly bought hard disk cannot be used to save data unless we partition it. To be specific, we need to create partitions on the disk. Only partitioned space can be visible in Windows Explorer, but we can see unpartitioned space or unallocated space in Disk Management.

Although you have found what occupies the missing space, you may want to know the way to recover the missing space and get the real capacity of your hard drive.

How to recover missing space and restore the hard drive to full capacity?

Here we have two useful methods to make the hard disk shows its full capacity and regain the missing space for you.

Method 1. Recover the unallocated space manually

1. Right-click the unallocated space and select “New Simple Volume” to create a new partition with that space. You can create multiple partitions using this space, just choose the size properly.

manually recover the missing capacity od the hard drive

2. Alternatively, right-click the partition before the unallocated space and select “Extend Volume” to extend the partition to this space.

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If you have a problem in partitioning the unallocated space manually, you can use a free partition software to finish the work easily.

Method 2. Restore missing space by using a partition tool

1. Launch EaseUS Partition Master Free.

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 Windows 10 is supported

2.  Right-click the unallocated space and choose "Create partition". Enter a partition label, select a drive letter, cluster size, partition size, partition type (Primary/Logical) and file system from the pull-down menu. While creating the partition, you also could resize the new partition to a certain size.

create a new partition in order to use the missing space

3. Click "OK", a new partition can be successfully created.