How to: Migrate OS to HDD/SSD Without Reinstallation

September 26, 2016

If you have no idea of how to migrate OS to HDD/SSD, might as well try an easy-to-use tool named AOMEI Partition Assistant which can give a lot of help.

Preface

When it comes to how to migrate OS to HDD/SSD, many people are going for a full reformat and reinstallation. Chances are that your PC is cluttered up with bloatware already and it could benefit from a clean tight install. But not everyone has the time to do this lengthy process, some prefer to simply clone operating system. Then the following part will introduce two methods to migrate OS to SSD/HDD.

Way 1: migrate OS via Windows built-in tool

Step 1: Before migrating, make sure the original OS drive contains only system reserved partition and the partition that houses your OS. For others, if there exists important data, you’d better back up them to an external device.

Step 2: It’s time to shrink the OS partition in order to fit the new HDD/SSD which may be smaller than the current one. To do this, open Disk Management and shrink volume there.

Step 3: Plug in HDD/SSD. Head to Control PanelBack up your Computer.

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Step 4: Choose Create a system image. After that, just follow the wizard.

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Step 5: Once the progress is finished, you’ll be asked whether to create a system repair disc or not. If you don’t have Windows installation disc, select Yes. It will guide you through the creation.

Step 6: Now, you can set up the new drive. Disconnect the original drive and connect the new one. Boot up system. Insert the repair disc or Windows Install disc in your optical drive. Computer should boot from the optical disc then at the first screen select Repair your computerRestore your computer using a system image that you created earlierUse the latest available system image (recommended) → click Next.

Step 7: You need to double check you’re not going to wipe any other drives. So click Exclude disks. There should be only one hard drive in the list. if not, ensure others are selected with a tick mark otherwise they’ll be erased. Click Next and finally Finish. A warning sign will pop up asking if you’re sure to continue. Select Yes.

If the process fails, it means the shrunken partition still not small enough so you have to go back to Step 1 and uninstall more applications. This is how to migrate OS to HDD/SSD through Windows built-in tool. However, it seems really not that convenient especially for a computer freshman. In this case, another much easier method is recommended - using AOMEI Partition Assistant.

Way 2: migrate OS via AOMEI Partition Assistant

AOMEI Partition Assistant is a powerful disk/partition software, with which you’re able to easily resize partition, transfer OS, make bootable media, etc within a few of simple steps.

Step 1: Connect HDD/SSD and launch AOMEI Partition Assistant.

Step 2: Select migration wizard on the main interface. Click “Next” in the pop-up window.

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Step 3: Select an unallocated space on SSD or HDD.

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Step 4: It allows you to specify some settings here such as partition size, drive letter and so on.

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Step 5: Please read the note carefully. There’s a link to tell you how to boot computer from destination disk as well. Click “Finish” to confirm.

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Step 6: Well, you can redo any operation before clicking “Apply” to execute at last.

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Note: Since it involves system partition, the operation will be completed under the PreOS Mode. In addition, if you migrate OS between MBR and GPT disks, please enter BIOS and change boot setting.