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1. #HOW TO CLEAR STARTUP DISK HOW TO#
2. #HOW TO CLEAR STARTUP DISK MAC OS X#
3. #HOW TO CLEAR STARTUP DISK MAC OS#
4. #HOW TO CLEAR STARTUP DISK INSTALL#

Why can’t Recovery partition be deleted?Īfter installing Windows 7, Windows 8 or other systems, you can see that some Recovery partitions are created on the system drive, taking up space from several hundred MB to tens of GB.

#HOW TO CLEAR STARTUP DISK HOW TO#

At this point, how to delete the system drive in Windows? The solution will be introduced in the following section.

#HOW TO CLEAR STARTUP DISK MAC OS#

For example, users may want to delete the EFI system partition created on the Mac hard drive after uninstalling Mac OS X. However, in some cases, the user wants to delete it because it takes up some space in the drive. To protect all these important files, Windows does not specify this drive with the drive letter, and users cannot see it in Windows, nor can it delete it, because deleting it will cause the system to installed cannot start. According to Wikipedia:ĮSP contains boot loader programs for all installed operating systems (contained in other partitions on the same storage device or other device), device driver files included in the computer used by firmware at boot time, in system utility programs (running before the operating system is booted) and data files such as error logs. What is the reason? To answer this question, you need to know what it is saving. Normally, you cannot delete it in Windows (the Delete Volume option is grayed out): To view it, you must enter Disk Management or Disk Utility.

#HOW TO CLEAR STARTUP DISK MAC OS X#

Why can’t the EFI system drive be deleted?Ĭurrently, after successfully installing Windows or Mac OS X on a GPT PC drive, the EFI system partition (abbreviated as ESP) can be created and not displayed in Windows Explorer or Macintosh. For example, if you dual-boot Windows 7 and Windows 8, with Win7 stored in drive C and Win8 in drive D, you can delete the C drive but cannot delete drive D when Windows 8 is running. To be more precise, the drive that is loaded with the Windows operating system cannot be deleted, not just the C drive. If the Windows operating system is saved in the running C drive, you will not be allowed to delete this drive, since deleting it will lead to a lot of errors and confuse the system.

#HOW TO CLEAR STARTUP DISK INSTALL#

In general, Windows file system drives are always assigned by C by default, when you install the first operating system. Why can’t some drives be deleted in Disk Management Why can’t drive C be deleted?

How to delete a drive cannot be deleted with Disk Management Let’s find out the reasons and solutions for this problem through the following article.

Boot disk, drive file page storage (Page file is a special mechanism that helps Windows never run out of RAM), file errors or files that store information from memory used by Windows for Hibernate, manure Protected EFI system areas, recovery partitions, OEM partitions and mobile device partitions cannot be deleted in Windows Disk Management. In fact, the C drive is not the only drive that cannot be deleted in Disk Management.