Follow the wizard to create a bootable disk. Then boot computer from the bootable device. In the main window, right-click on the EFI partition that needs to get rid of and select Delete Partition. After that, the EFI partition has now become unallocated space, and you can add this unallocated space to any of the existing partitions by using the Merge Partitions function. If you delete the EFI partition on the system disk by mistake, then Windows will fail to boot.
On occasion, when you migrate your OS or install it on a hard drive, it may fail to generate an EFI partition and cause Windows boot issues. In this case, you can create a new EFI partition and then install an EFI boot loader in order to make the hard drive bootable. Here is the tutorial:. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? Submit and view feedback for This product This page.
View all page feedback. In this article. Identifies the boot entry that was used to start the current session of the operating system. Identifies the boot entry to Bootcfg. This value changes when you reorder the boot entries. Bootcfg uses the NT device name of the partition in its path display.
Specifies the location of the operating system. EFI files are used for staging firmware updates, booting operating systems, and running pre-boot programs. Using EFI files, systems can hand off the pre-boot process to a controlled environment. For example, EFI files are sometimes included with firmware updates and are loaded into the device's EFI System partition during the boot process.
Here, the executable content in the EFI file safely runs the procedures necessary to update the device. On systems with installed operating systems , EFI files are stored in hidden, unnamed partitions.
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