It is recommended, to use theīCDEdit command ' BCDEdit /export' to save a copy of the current system storage before deleting anyĮntries. Insert your USB into the computer and ensure that it can be detected. (All data on the USB drive will be erased, you can backup files at first) Windows installation CD/DVD. Please note, in case a still required bootloader entry will be deleted, the related OS won't boot anymore.īe sure, to delete only unwanted and not necessary entries. Use CMD to make UEFI bootable USB The first method is via CMD to make a UEFI boot manager for Windows 10. This document describes how to remove unwanted entries on Windows 10 using the BCDEdit command. In case there is more than one Windows installation or another type of OS has been installed (for example Linux OS installation) on the computer, additional bootloader entries are created and shown in the boot manager list. BCDEdit synchronizes the firmware namespace object in NVRAM with the system boot configuration data (BCD). On Unified Extensible Firmware Interface (UEFI)-based computers, firmware creates non-volatile random access memory (NVRAM) entries for local devices (such as Optical Disk- or Hardisk drives) when the computer boots.

Uefi boot manager