How to Align a Partition Without Formating and Losing Data in Windows 10, 8 or 7

In you used Windows 7, 8 or 10 to partition your hard drive, your partitions are likely to be already aligned. But this article will be useful for you if you edited partitions in Windows XP or cloned partitions using various third-party software. Here is how to check the alignment of HDD or SSD and align a partition using free utility without formatting and risk of data loss.

How to Check if the Partition is Aligned and Align it if Necessary

We recommend to use AOMEI Partition Assistant Standard for aligning partitions. This program is able to align a partition without formatting it and all your information will not be deleted. But it should be said that alignment can take a long time depending on the size of the partition and used disk space.

  1. Download and install AOMEI Partition Assistant Standard which is freeware: //www.disk-partition.com/download-home.html : Download AOMEI Partition Assistant Standard
  2. Launch the program.
  3. Select the partition you are interested in (left click on it).
  4. Click on Partition Alignment in the left pane: Partition Alignment
  5. Click OK to optimize the partition:
    ok to start optimization Attention! If your partition is already aligned you will see “The current partition is already optimized thus there’s no need to align it again”. In this case just click Cancel:no alignment needed
  6. Click Proceed to start the alignment: click proceed to start alignment of the selected partitionYour data won’t be lost!
  7. Wait. If you align the system disk your PC will reboot:
    System partition is being aligned in PreOS Mode

    System partition is being aligned in PreOS Mode

    Your computer will restart when done and you will be able to work again.

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