Simply speaking, partitioning is to divide mass storage into isolated sections. Under DOS system, you can partition a disk, and each partition will work like a separate disk drive. Partitioning is particularly useful if you run more than one operating system. For example, you might reserve one partition for Windows XP and another for Windows 7 or set up one partition for Windows 8 when you run dual boot Windows 7 and Windows 8.
In addition, partitioning on DOS and Windows machines can improve disk efficiency. This is because the FAT system used by these operating systems automatically assigns cluster size based on the disk size: the larger the disk, the larger the cluster. Unfortunately, large clusters will result in disk space waste which is called slack space. To help partitioning and make better use of your disk, there are many tools, such as Fdisk, Partition Magic, EaseUS Partition Master. While you may delete a partition accidentally when partitioning or lost partitions because of virus attack, you will need to recover deleted or lost partitions.
Whether partition can be recognized by system or not depends on the partition table. If partition table is destroyed by virus or deleted accidentally, you will not see the partition you need. But in fact, you can use Partition Recovery Wizard built in EaseUS Partition Master to recover deleted or lost partitions.
1. Run EaseUS Partition Master, click "Wizard">"Partition recovery wizard", and then you will see the following window.
2. Click "Next" to continue, there are two recovery modes: Automatic and Manual.
Automatic recovery mode to recover deleted or lost partitions:
Step 1: Select Automatic recovery mode and click "Next" to continue.
Step 2: Partition Recovery Wizard will search deleted or lost partitions on the unallocated space of all hard disks. After the search is completed, select the partitions which you want to recover and click "Next" to continue (You can double click the partition to explore the content to see whether it is the one you want to recover).
If Partition Recovery Wizard cannot find deleted or lost partitions with Automatic mode, you can choose "Complete search mode" of Manual mode or "Finish searching".
Step 3: You can see the recovered partitions which are marked with green dot on the disk map.
Step 4: Click "Proceed" to apply partition recovery and get the lost or deleted partitions back.
Manual recovery mode to recover deleted or lost partitions:
Step 1: Select Manual recovery mode and click "Next" to continue.
Step 2: Choose the unallocated space where you want to recover deleted or lost partitions from and click "Next" to continue.
Step 3: Choose search mode (There are two search modes: Fast and Complete), and then click "Next" to continue.
Step 4: Partition Recovery Wizard will search deleted or lost partitions on the selected unallocated space. Once a deleted volume is found, it will be displayed in the volume list (You can double click the partition to explore the content to see whether it is the one you want to recover). Select the partitions you want to recover and click "Proceed" to continue.
Tips: Unlike automatic recovery mode, you do not have to wait until the whole search is finished in manual mode. As soon as a located volume or multiple volumes are added to the list, you can select them for immediate recovery. A selected partition will be marked with a green dot in the disk layout for you to check.
If you use Fast search mode and Partition Recovery Wizard cannot find the deleted or lost partitions, you can choose Complete search mode or "Finish searching".
If you use Complete search mode and Partition Recovery Wizard cannot find deleted or lost partitions, please try free data recovery software - EaseUS Data Recovery Wizard Free Edition to recover files.
Step 5: After Partition Recovery is proceeded, the deleted or lost partitions have been recovered.
Tips: If you want to wipe the data on a partition completely to protect your privacy, please refer to How to delete and wipe partition?
For better data security, our free backup software - EaseUS Todo Backup will help you a lot. It provides easy-to-use interface to backup and restore your system, disk and partition in a few minutes.
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