How to recover re-partitioned drive(s)?
What is partition?
To divide memory or mass storage into isolated sections. In DOS systems, you can partition a disk, and each partition will behave 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 and another for UNIX.
In addition, partitioning on DOS and Windows machines can improve disk efficiency. This is because the FAT/NTFS 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 can result in a wasted disk space, called slack space. There is an entire sector of the software industry devoted to building utilities that let you partition your hard disk, such as Fdisk, Partition Magic, EaseUS Partition Master.
Explanation
Use partition tools ( such as Fdisk, Partition Magic, EaseUS Partition Master) to repartition hard drives is a common occurrence but please take care if it is done incorrectly or problems on the hard disk exist, data will be lost.
Symptoms
Frequently when a repartition is attempted, the program will not terminate correctly, crash before it finishes. Due to corruption of the logical disk structure, this can be physical problems (e.g. bad sectors on the hard disk), incorrect software installation etc. Such as Partition Magic in the wrong operation, unexpected termination in resizing partition or program crash due to power error or more problems of the hard disks (e.g. due to bad sectors etc.). Where previously the computer would boot and be usable, systems often refuse to start and may produce the following error messages: (these errors are frequently displayed on a black screen with white text)
No boot device
Operating System not found
Primary Hard Disk not found. Press F1 to Continue
Master Boot Record Not Found
Invalid or corrupt FAT
Invalid partition table entries
Invalid sector
Cannot find file or program
Invalid command.com
Primary/Secondary Hard disk failure
Non system disk
Disk error
To recover re-partitioned drives please follow this procedure:
Recovery of data from re-partitioned hard drives is often complicated and time consuming.
To recover lost files from a Re-partitioned drives, follow these steps:
Tips: If you cannot boot the computer, please use data recovery bootable disk or connect the hard drive to another computer as slave to recover lost data.
1. Download EaseUS Data Recovery Wizard, install it and launch it. Click the "Partition Recovery" button on the main window of Data Recovery Wizard.
data recovery software
2. Select the file types you want to recover. Tick 'Search all lost files automatically' to find all lost file types. Tick 'Ignore bad sectors' to skip bad sectors when scanning.
Select file types
3. You can see the list of physical device(s) found on your computer.
4. Select the physical disk that contains the re-partitioned drive.
repartition recovery software
5. Click the "Next" and Data Recovery Wizard will automatically run Partition Recovery.
6. Data Recovery Wizard would start Quick Partition Searching to scan on the hard disk for all the lost partitions and would present the list of found partitions.
7. If Data Recovery Wizard could not find the partition that you want to recover, please tick the "Full Scan (If the partition is not found, please check it and click NEXT)" to scan the device again.
8. Ignore all the known or existing partitions and select the older partitions.
9. Click "Next" to begin building directory.
10. Select the file or directory that you want to recover and press the "NEXT" button.
11. Select the directory or file and press the "NEXT" button to save the data.
Caution: Saving file(s) to the partition or drive where you are recovering data, for it may result in overwriting data and permanent data loss!
