With the popularity of USB, the issue of USB partition loss or SD card partition corruption is no small matter. Even if you take every precaution to avoid it, USB drive or SD card partition loss issues can still happen. Here are solutions to recover and fix USB partitions.

Part 1: How to Recover Lost Partition from USB

Usually, data loss issues from USB drive partition occur due to the following reasons:

    • You might have deleted the USB drive partition while attempting to clean up a specific partition.
    • Power outage: Sometimes, a power failure can lead to an inaccessible partition.
    • Repartitioning: When you repartition a hard drive, all existing partitions are deleted.
    • Formatted or re-formatted the USB drive or SD card partition.

USB Drive/SD Card Partition Recovery Prompt

Any of these scenarios might apply to you. If the entire partition is missing, then so is your data. To recover both, you'll need to:

Do not write anything to the USB drive or SD card.

After data loss on a USB drive, the operating system no longer keeps it safe. The OS considers the space on your USB drive as free and available for use. This means that subsequent copy operations, program installations, or even booting from the drive can lead to permanent overwrite of your lost files.

② Look for an effective USB/SD card recovery software to retrieve your data.

To recover data from a USB drive or SD card, you should first opt for using a partition recovery software to restore data from the USB drive. This is a secure and efficient data recovery solution that recovers deleted partitions while safeguarding your data.

How to Perform Partition Recovery on USB Drive/SD Card

"Partition Recovery" is a partition recovery software that can restore deleted or lost partitions. It supports various types of partitions, including FAT, NTFS, HFS, HFS+, HFSX, Ext2, and Ext3 volumes on Windows systems. This partition recovery tool provides a comprehensive solution for USB/SD card partition recovery, allowing users to retrieve data from them with just a few simple steps. It is fully compatible with all Windows operating systems.

Please connect the portable hard drive, USB flash drive, or SD card with the lost partition to your computer in advance.

Step 1: Run the "Partition Recovery" tool on your computer.

Select the external hard drive, USB or SD card where you lost your partition and click on “Scan” to proceed.

Select the device to scan for lost partitions

Step 2: Wait for the scan to complete.

Have the program scan the selected device and look for lost partitions.

Scan the lost partition

Step 3: Preview and recover the lost partitions

Please double click the partition that is labeled as "Lost" but can be "Good" to recover.

Preview the content of the found partition

Preview the contents of the lost partition. Click “OK” and then click “Start” to begin the recovery of the lost partition.

Start the partition recovery process

Click “Finish” to complete the partition recovery process.

Note: If the utility reports a conflict, back up the partition that contains important data to another secure location on your computer. Then proceed with the final step to restore the lost partition.

Confirm to restore the found partition

Part 2: How to Fix a Damaged USB Drive/SD Card

If your USB or SD card is damaged, you should first check whether the corrupted USB flash drive or memory card is detected by a Windows PC.

If so, fix it immediately as follows.

If not, you can refer to USB Not Showing Up in Windows 10/8/7 or USB Device Not Recognized for more solutions.

1. Check for USB errors and repair them

Windows has built-in tools for checking for errors. You can run these from the Properties menu. This option will check for file system errors on the drive.

    1. Step 1: Open File Explorer, right-click on the removable disk that represents your USB or SD card, and select Properties. 2. Step 2: Switch to the Tools tab, then click Check under the Error Checking section. 3. Step 3: Allow the scan and repair process to complete.

Check for USB or SD card errors

2. Use CMD to fix the corrupted USB

  • Step 1: Connect your Android SD card to the computer using a card reader.
  • Step 2: On your computer, click "Start" > "All Programs" > "Accessories" > "Command Prompt".
  • Step 3: Type in the command: chkdsk [USB drive letter]: /r/f in the command line.

Use CMD to fix USB or SD card

Grammar Hint:

    • /f -- Attempts to fix any errors on the disk
    • /x -- Forces the USB drive to unmount before scanning begins
    • /r -- Scans and attempts to recover bad sectors. This will take longer, but is optional. If you're having issues with your device, it may be worth checking for bad sectors

If your USB device is physically damaged, you can find more methods to fix a corrupted USB flash drive with tools.

Copyright © 2004 - 2024. All rights reserved.