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Delete/Remove Partition from SD Card/USB Flash Drive

Posted on Jan 15, 2018 by Brithny to Partition Master

Summary:
Sometimes, you tried to delete the partition from SD card or USB flash drive but just found that Delete Volume option is grayed out in Windows Disk Management tool So how can you solve this problem? This page will introduce you how to remove the partition from SD card or USB flash drive using Diskpart or third-party partition software in simple steps. You can read on to get more details.

Is there any way to remove or delete the partition from the USB drive or SD card?

"I have a USB flash drive with 2 partitions on it, and now I want to remove partitions on the USB drive to make the device back to unallocated space. I have tried to do it in Disk Management but failed. I can’t delete the partition on USB flash drive since the “Delete Volume” button is grayed out. I don’t know why it happened. Is there any way can solve this problem and allow me to deleted partition from my USB flash drive?"

Delete Volume greyed out the issue that prevents you removing partitions happened in Windows 10/8/7 largely because your SD card and USB flash drive is regarded as a removable device. Even Windows does have a Disk Management tool for simple disk management operations. But for USB drive, SD card or logical drive, if the drive already has more than one partition, Disk Management will not allow you manage extra partitions on removable storage devices unless you deleted all of the partitions and make a new, full-size partition. The built-in utility will not provide delete partition option for extra partitions on USB drives if more than one partition is detected. Well then, does it mean there is no way to delete volumes on USB flash drive when Disk Management can’t do it? It is of course not. Here, we will introduce 2 solutions. 

Method 1: Remove partition on SD card/USB drive with EaseUS partition software

EaseUS partition software is a powerful Windows USB partition tool with the friendly user interface. To remove the partition on USB flash drive or SD card in Windows 10/8/7 using this program, please run it to get the starting interface, then choose “Launch Application” and finally follow the steps below: 

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 Windows 10 is supported

Step 1. Launch EaseUS partition software. Select the partition you want to delete and right click the mouse to choose "Delete partition".

Select the partition you want to delete on USB drive or sd card

Step 2. After selecting Delete partition, you will see the following window. Click "OK" to apply the operation to continue.

Easily delete partition from USB flash drive or SD card with EaseUS partition manager

Step 3. Click "Apply" to confirm to delete the partition on the USB drive or SD card.

Method 2: Remove partition from SD card/USB flash drive with Diskpart

DiskPart is a command-line utility contained in Windows operating system, which can help partition both external and internal device. To  remove partitions on SD card or USB drive in Windows 10/8/7 with this program, you can take the following steps: 

1. Click Start Menu and then type diskpart in search box

2. At the diskpart prompt, type list disk

3. Type select disk n ( n stands for the disk where you plan to delete the partition)

4. Type list partition

5.Input select partition n (n is the partition you want to delete)

6.Type delete partition (then the partition can be deleted)