Click "Reserve" to partitions you want to restore and click "Ignore" when the found partition is not what you want to recover. Then click "Start" button to search for partitions. Select the hard drive and click "Partition Recovery" button. Launch DiskGenius on your computer and you can easily locate the unallocated hard disk.
After that you can regain access to partitions and files in Windows again. DiskGenius is effective partition recovery software, and it supports to search for partitions on unallocated disks and save lost partitions to partition table. When you want to restore lost partitions, try steps below to get back deleted and lost partitions. Way #1: Restore lost partitions on unallocated hard driveĪn unallocated hard drive does not contain any partition, as a result, you cannot access partitions and files anymore. How do I fix an unallocated hard drive in Windows 10? The first move is to rescue data from the hard drive, after which you can try creating partition or even repartitioning the HDD. For Windows, a hard drive that can be detected but not showing up due to unallocated issue is not damaged, and users can easily troubleshoot it without losing data. How do I access an unallocated hard drive? You don't have much to worry about if your computer can boot normally and the disk can be detected. Hardware failure: The hard drive is physically damaged, and everything on the disk is lost. This can be caused by virus, bad sectors, sudden power failure, etc.
Partition table corruption: Crucial information that records starting and ending location for each partition, partition type, partition size, etc. Partition gets deleted or lost: When a partition is deleted from hard drive, the disk space taken by the partition will become unallocated and the unallocated partition disappears from Windows File Explorer. Why does my hard drive become unallocated? Unallocated space can appear by reason of following aspects: Unallocated space cannot be accessed by Windows, and it is not displayed in File Explorer as other partitions. Disk space that does not belong to any partition is regarded as unallocated. Each partition will be formatted to a specified file system such as NTFS and assigned a drive letter like D. When setting up a hard drive, you need to partition it first, dividing the hard drive into one or several logical portions.
What does it mean when a hard drive is unallocated?