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Free Delete OEM Partition in Windows 10/8/7/XP/Vista

Updated on Jan 12, 2018 by Tracy King to Partition Master

This page tells you how to free delete OEM partition in Windows 10/8/7/XP/Vista with Diskpart command line or EaseUS free partition manager. You can try it to extend more space.

Having problem to delete OEM partition in Windows?

I have a dell laptop for two years and now the hard drive is running in low disk space. So I need to find a way to free up some space to get a better performance. When checking the device, I noticed that there was an empty partition which says 14.75 GB, Healthy (OEM Partition). I don't know what it is and I also can't delete it like other partitions. Every time when I open Disk Management and right-click on the partition, I only get the Help option without delete key. What should I do to remove OEM partition? And is it safe to do that?

OEM partition is designed for system recovery or factory restore. It allows users to easily and quickly restore the system to the original state when system failure or system crash occurs. This partition usually comes with Dell, Lenovo or HP computer. And some people want to delete OEM partitions to extend more space since they don't plan to restore the device to factory setting. Then a problem comes out. Windows Disk Management tool doesn't support to remove the OEM partition. So users have to use a command line tool called Diskpart or third-party partition manager to do this job. Here we will talk about it in details.

How to delete OEM partition with Diskpart

Step 1. Hit "Windows Key + R to open the run dialogue box, enter "diskpart" and click "OK" to open a black command prompt window.

Step 2. Type "list disk" to display all the disks of your computer. Type "select disk n" to identify which disk you need to work with. Here n stands for the disk letter.

Step 3. Type "list partition" to display all the volumes on the hard drive. Type "select partition n" to identify which partition you want to remove. Here n stands for the volume letter.

Step 4. Type "delete partition override" to remove the OEM partition. Finally, type "exit" to close the windows when you receive the message says, DiskPart successfully deleted the selected partition".

How to delete OEM partition with EaseUS free partition manager

DiskPart do help you remove OEM partition in Windows, but is it the best choice? Of course not. As a command line utility, DiskPart is a little bit harder for ava4erage users to understand due to its non-graphical interface. So we recommend you try EaseUS free partition manager. This program makes OEM partition deleting job as easy as 1-2-3. Now you can lean the detailed guide.

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 Windows 10 is supported

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

Select the OEM partition you want to delete

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

Easily delete OEM partition with EaseUS free partition manager

Step 3. Click "Apply" to apply all pending operations.