Repair/Remove Bad Sectors on USB Flash Drive, Pen Drive & SD Card

"My USB flash drive always gives corrupted error message when I was trying it to install Windows. And then, I check it with Rufus and find a few "bad sectors". But, Rufus doesn't have the option to fix bad sectors, so I don’t know how to fix my USB drive. Is there any USB bad sector repair tool can help?"

Solutions to repair/remove bad sectors on USB drive & SD card

A bad sector is simply a tiny cluster of storage space on hard drive, USB flash drive, pen drive, SD card or other storage devices that appear to be defective and won’t respond to read or write requests. It can occur due to various reasons and lead to terrible results, for example, low disk space, file corruption or data loss disaster. When encountered such a situation, you can remove or repair bad sectors by overwriting the drive with zeros or with a low-level format. Both of these two methods will cost all your data. So, is there any better solution or bad sector repair software that allows you to remove bad sectors while keeping all your data? Here we will introduce you two solutions: 

1. Check and repair bad sectors without formatting
2. Recover data and then remove bad sectors by formatting

You can try both of these two ways to check and fix bad sectors on USB flash drive, pen drive, SD memory card or external hard drive without losing your data.

How to check and repair bad sectors without formatting

Checking and repairing bad sectors without formatting is the easiest way to fix bad sectors on USB flash drive, pen drive, SD memory card or external hard drive. But it requires you to find a reliable bad sector repair software. Here EaseUS free partition software is a nice choice. It can help you manage this task in simple steps.  

1. Connect your device to PC, launch EaseUS free partition software, right-click the device and click "Check partition".

2. Choose the way that you want to use to check and repair bad sectors: "Check Partition Properties", "Call Windows Chkdsk" or "Surface Test" and Click "OK" to continue.

3. Let EaseUS free partition software automatically check and repair bad sectors. And finally click "OK" to finish the process.

How to recover data and remove bad sectors  

If the above method can not help you fix bad sectors successfully, you can try to  recover data from bad sectors with third-party data recovery software and format your device to remove the bad sectors. It is the safest way to fix bad sectors. Here EaseUS file recovery software is recommended as the best tool for data recovery from bad sectors on USB flash drive, pen drive, SD memory card or external hard drive. 

Video tutorial to recover data from bad sectors:

After restoring all of your files, you can use Windows disk management tool or EaseUS free partition software to format the USB flash drive, pen drive, SD memory card or external hard drive to safely remove the bad sectors.