How to Clone Disk to Upgrade Disk, Transfer Data or Migrate SSD

Applications of disk clone

Disk clone, also called "Disk to Disk (Disk2Disk)". It is a similar function-Disk Imaging, which can store all the data on a disk to a image file. It has many applications.

  • Hard disk upgrade: disk clone can help to upgrade hard disk from old small disk to a new larger one without reinstallations of operating system and the applications.
  • Data migration: it can help to quickly transfer all the data on a disk to others, such as, Migrate HDD to SSD, etc.
  • Making a disk duplicate: it can be used to make a copy of source disk as backup via sector level or file leve.
  • Data security: make a copy of damaged hard disk via sector level and recover lost data from the cloned disk.

If you encountered one of the situations mentioned above and have no idea about how to perform disk to disk clone, please don't worry! Here we will shows you how to clone hard disk with reliable disk clone software step by step.

How to clone disk with EaseUS Todo Backup

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For a safe and easy disk clone, EaseUS Todo Backup is recommended. It allows you to clone one disk to another without breaking off the running operating system. That is to say, it can clone HDD while working without interrupting the running programs. Here are the detailed steps of disk clone as follows.

Note: when cloning, you can clone a small disk to a large one, vice versa. But you should make sure that the capacity of destination disk should be equal or larger than the used space of source disk, so that the data on the source disk can be all cloned.

1. Launch EaseUS Todo Backup and select Clone.

2. Select the source and destination disk.

Select source disk

3. Sector by sector clone option enables you to clone all sectors from source disk to destination disk. Preview the disk layout to confirm the settings of the source and destination disk.

Select destination disk

4. Click NEXT to execute disk clone.

Preview source disk and destination disk after cloning


1. If the source disk contains the system partition, please shut down the computer after the clone.
2. To remove either the source disk or destination disk from the computer to make the computer boot normally if the source disk contains boot partition.
3. If you want to boot from the destination disk, we recommend you to replace the source disk with the destination disk.
4. If the computer fails to boot from the destination disk after the clone, we suggest you clone the source disk to another disk with the same HDD interface.
5. If you choose to clone a hidden partition, the cloned one will be unhidden.

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