When there is something wrong with your computer, you may consider formatting system partition and then reinstall Windows operating system. If you use Diskpart command line to format system partition, it is not allowed to do this work. Why? As you know, this operation will help to erase all system files including Windows boot files, once you make a format for system partition on the current system when Windows is running, your computer will be unbootable. In other words, it isn’t allowed to happen within Windows Environment. If you want to format it, please enter into WinPE for it. How to do such an operation? Let’s take Windows 7 as an example.
When you fail to format system partition, if you are running Windows 7, you can enter into the Windows PE mode with its system repair disc and format the hard drive.
Note: Since you try to format the system partition, you can accept formatting the entire hard drive, just be sure to backup everything first.
Step 1: You need to connect your Windows 7 installation disc to your computer. Then please change the boot order to boot from CDROM by modifying it in BIOS.
Step 2: It is time to choose the installation language, and then click “Next” to continue.
Step 3: Then choose a partition for the new Windows operating system installation. Here please choose partition 2 (system partition), then click “format” button under the main interface.
Then you can successfully format system partition. If you don’t have a Windows installation disc, what should you do when you are unable to format system partition? In fact, it is very easy and simple, that is to use a professional partition manager – MiniTool Partition Wizard.
This partition and disk management software is designed to resize partition, extend partition, format partition, delete partition, rebuild MBR and so on. It owns five editions, including Free Edition, Professional Edition, Server Edition, Enterprise Edition and Technician Edition and each one has some difference. In addition, it is available in many operating systems, including Windows Vista/XP/7/8/8.1/10 PCs and Windows Server 2000/2003/2008/2012. In order to do a system partition format well, this tool is recommended to you, please try its Free Edition.
Step 1: Firstly, download MiniTool Partition Wizard Free Edition and make a installation.
Step 2: Then please launch this free application. In the main interface, you should select the system partition and then click “Format Partition” from “Operations” in the left pane. Or right click the target partition and then select “Format” feature.
Step 3: Since the system partition contains some system boot files, MiniTool Partition Wizard will tell you formatting may cause your computer to be unbootable. Please click “Yes” button.
Step 4: Then you can format this partition. Please choose file system according to your needs. Moreover, you can set partition label for your partition. Click “OK” to continue.
Step 5: Click “Apply” to make all changes effective.
In addition, you can use MiniTool Partition Wizard Bootable CD to format system partition in Windows PE environment.
Please try the ways to solve “system partition is not allowed to be formatted” issue. It is believed that this post won’t make you disappointed.