Tag Archives: Multi-booting

When you start a multiboot PC with multiple OS installed on one or multiple hard disk drives, Multiple Operating Systems are displayed as follows : However, it is sometimes difficult to identify each OS because it does not identify the name for each OS. In this case, we will introduce you to the Windows PowerShell(Admin) using the command bcdedit to change the name for each OS. Run as administrator The name change of the OS is run from Windows PowerShell(Admin) or Command Prompt. By pressing the short key Windows + X, click on 1Windows PowerShell(Admin) on the menu as shown below. Or, in the Windows Search Box next to Start button, typing 1power, and 2right-click on Windows Powershell, and click 3Run as administrator in the search results. 「Windows PowerShell」must be open to "Run as administrator". If you run a "Windows PowerShell" that is not as an administrator, and when you run the "command" as shown below, the message will be displayed as Access is denied. Boot configuration data (BCD) Boot configuration data (BCD) is the place to store configuration information when operating system (OS) boots. To add, delete and edit the BCD store is a command called "bcdedit.exe". Use the "bcdedit" tool is used to change OS name. But it should be noted that OS can not be boot, if used incorrectly. "Command" can be typed directly in the "Windows PowerShell", but it is convenient to copy and paste commands to a Windows PowerShell after writing them to the Notepad. In Windows 10, you can also paste a command line by pressing shortcuts Ctrl + V in a Windows PowerShell. Boot Manager and Boot Loader To help you understand before you can change the name of the boot OS, you need to find out more about the two terms. First, boot managers read the startup configuration data when multi-booting OS in the PC, displaying the selection menu of the operating system (OS). Boot Loader is a program that works immediately to read and run multiple OSs from disk, after booting from a computer.You can register multiple OSs in the boot loader, and can select the OS at boot time as needed. Using the "bcdedit" command To check for renamimg the boot OS, ＝identifier and description, You can use the command1bcdedit /vas follows. There is a space between bcdedit and /v. Press Enter after writing. The list of 2Boot Manager and 3Boot Loader will be displayed as follows. The necessary information here is 「identifier」 and 「description」 of 「Windows Boot Loader」. Multiple OS information is stored in Windows Boot Loader as follows. Among them, you can use 1identifier and 2description to change the boot name. Command for the name change of Boot OS You can change it using the command line below. In the above figure, the first「identifier」 is 1{79aea257-4fb5-11e7-9aea-844bf54c5676}, and description is 2Windows 10. PS C:\Windows\system32\>bcdedit /set '{identifier}' description "new boot name" ▼ For example, the syntax shown below can be applied. It is a command line to change Windows 10 in the above figure to Windows 10 English. Other OS names can also be changed on the same command line. bcdedit /set '{79aea257-4fb5-11e7-9aea-844bf54c5676}' description "Windows10 English" ▼ When you press the Enter on the keyboard,it means that the operation is completed normally if 「This operation completed successfully」 as shown below. The OS name has been changed with this. The OS name has been changed with this. ▼ For confirming whether the OS name has been properly changed, try writing a commandbcdedit /v again, and press Enter key. You can confirm that the OS name of the Boot Loader has changed. Display screen when starting up PC Probably, it changed according to your desired name as shown below, when restarting PC.