🔌 Unexpected power failure – If your computer lost power during a write process to the drive, it could cause some data to become corrupted and the partition deleted.

If the hard drive has failed at some point, the partition could have become lost as a result.

⛔ Hardware failure – Hard drives are susceptible to failure.

If a virus has deleted your partition, the partition that was once there may appear as unallocated data.

🦠 Malware of virus attack – Viruses can be designed to specifically target the partitions of your hard drive.

❌ Lost or deleted partition – If a partition has been deleted, corrupted, or lost for one reason or another, the partition will be converted to unallocated space, also known as an unallocated partition.

Here are a few common reasons why there may be unallocated space on your hard drive: However, unallocated space can appear as a result of something else. Any space that isn’t dedicated to a partition will remain as unallocated space.

When you install it, you will need to create at least one partition as part of the operating system installation process.

Reasons Behind Unallocated PartitionsĪ brand new hard drive will come without any partitions. Unallocated space cannot store files or programs, and is basically useless to the operating system unless the space is used to create a new partition or is added to an existing partition to extend it.

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