How to Clone Hard Drive with Bad Sectors And Boot Successfully

This tutorial tells you how to clone hard drive with bad sectors on a Windows 11, 10, 8, and 7 laptop or desktop computers, and the cloned hard drive can boot normally.


By Dervish / Updated on June 20, 2024

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Bad sectors affect the reading and writing of data on the drive, and cloning a drive with bad sectors can protect existing data before replacing it. Many users have questions about being able to clone a drive with bad sectors, and the following is a typical example:

"Hi, my laptop HDD is failing, and I use chkdsk to check it, and it reported bad sectors. I have tried some software to clone the HDD, but they cannot clone hard drive with bad sectors. Is there a way to clone HDD with bad sectors?"  – Question from

If there are bad sectors on your hard drive, the ordinary clone software can't read the bad sectors on the hard drive, which can lead to a halt or interruption during the cloning process. Thus, it is necessary to find a powerful hard disk cloner - AOMEI Partition Assistant, which can clone all sectors, including clone disk with bad sectors.

Free Download Win 11/10/8.1/8/7/XP
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The best software to copy hard drive with bad sectors

AOMEI Partition Assistant Professional Edition provides the "sector-by-sector clone" feature that can clone HDD/SSD with bad sectors to another disk even when the source disk develops some bad sectors. And it has lots of benefits as below:

🔎Compatibility: Windows 10/11/8/7/XP/Vista
🔎Clone Options: It supports several clone options, including partition, disk and system clone.  
🔎Powerful repairing Features: it supports 4k alignment after clone to improve the read/write speed
🔎Target users: easy to use, even a computer beginner can follow its onscreen instructions to clone a hard disk. 

The tool provides a comprehensive cloning program. It also provides "check partition" to repair bad sectors. In addition, it provides partition alignment after cloning. This tool can bring great convenience. Don't let bad sectors affect your work, download this tool and clone bad sectors now.

Now, let's see how to clone a disk with bad sectors in simple steps using AOMEI Partition Assistant. Before you start, you can even use this powerful disk management tool to perform a disk surface test to determine the number of bad sectors.

How to clone hard drive with bad sectors

 AOMEI Partition Assistant provides intelligent options to easily manage disks with bad sectors without seeking expert help. Before starting bad sector disk cloning, connect the old and new hard disks. And you can download the Demo Version of AOMEI Partition Assistant to have a try. 

Free Download Win 11/10/8.1/8/7/XP
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Step 1. Open the installed AOMEI Partition Assistant Professional, click "Clone" in the main interface, and select "Clone Disk".


Step 2. Choose the hard disk that you need to clone as the source disk like SSD and click "Next".


Step 3. Select the destination disk to store the data on the source disk, and then click "Next".


Step 4. Then, you can check the source and destination disk in the next window choose "Sector to Sector clone", and click the "Confirm" button to continue if there is no problem.


Here, you can also click the "Settings" button to adjust the partition size on the destination disk or tick "4k alignment" to Optimize the performance of SSD if the target disk is an SSD drive. 


Tip: If you want to clone Windows to a smaller drive, the "Clone without resizing partitions"  button will be greyed out. Then, a Note about how to boot OS from the destination disk will pop up. Read and keep it in mind.

Step 5. After returning to the main interface, check the pending operation and click "Apply" and "Proceed" to commit the operation.


When the process is over, you can use the new hard drive to replace the old hard drive. If you keep both drives on your computer, you probably need to enter BIOS Settings to change boot drive.

Your computer can be booted from the destination disk after cloning the system disk. You just need to enter BIOS to set it as the prior boot device.

◇ Set the new drive as the first boot drive

Step 1. Restart the computer, when you see the first screen, press the functional key (F2, F3, F4, F5, ESC) to enter "BIOS Setup".

Step 2. Select "Change boot order", and change the cloned hard drive to the top of the listed drives.

Change Boot Order

Step 3. Press “F10” to save and leave.

✍ Note: If the cloned hard drive won't boot, you can check if the boot mode (BIOS and UEFI) and the connection boot are correct.


I believe you've known how to clone hard drives with bad sectors with AOMEI Partition Assistant. It is more than a hard drive cloner, it can also help you to remove bad sectors from the hard disk permanently after cloning. And if you encounter a boot problem one day, you can use it to create a bootable USB to repair it.

Free Download Win 11/10/8.1/8/7/XP
Secure Download

In addition, there is the AOMEI Partition Assistant Server Edition that is specialized for Windows Server systems, if your computer runs Server OS, try this one instead.

Dervish · Staff Editor
Dervish is an English editor of AOMEI Technology; He is delicated to offering users easy and effecitve solutions for issuses related to disks and partitoins. In his spare time, he enjoy wathcning films, playing footable, traveling and so on.