Solved Dual boot with 2 drives - Windows 11 and CachyOS

"EasyBCD is 100% UEFI-ready. In UEFI mode, much of EasyBCD’s functionality will be disabled for the safety of your PC."

Just use the respective tool. Using EasyBCD in UEFI is like trying to use a flat screwdriver on a cross (aka Philips) screw. It might work but not that easy and you might also damage the flat screwdriver. Been there, done that.

Celery said:

"EasyBCD is 100% UEFI-ready. In UEFI mode, much of EasyBCD’s functionality will be disabled for the safety of your PC."

EasyBCD and UEFI

With the release of Windows 8 and Windows 10, many new computers are shipping with something known as the UEFI firmware and boot manager in place of the traditional BIOS and MBR approach to startin…

neosmart.net

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I came across that link yesterday when I wanted to see exactly what gets disabled when using EasyBCD in UEFI mode. EasyBCD has always worked for me so I had no idea what got disabled. Except for Linux Mint I don't use any of the operating systems mentioned. As for me using Linux, I use it in a VM on my laptop. That explains to me why EasyBCD has always worked on my computers with out any problems. If EasyBCD didn't disable some functions when running on a UEFI system I guess it could cause problems.

spapakons said:

As far as I know EasyBCD cannot add remove or modify UEFI boot entries, at least not the version I have used. Probably latest version can, haven't checked.

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Can you post an example of what UEFI boot entries doesn't work with EasyBCD? I'm only asking because I'd like to have a better understanding of the limitations of using EasyBCD.

Some years ago when I experimented with installing Mac OS X on my main PC (2nd system specs), I had created an UEFI boot entry "Mac OS X" which I could not remove from the Asus UEFI firmware. Of course my first thought was EasyBCD (an old version which was free back then), but it would not list this entry since it wasn't in Windows boot loader. Some Google search later I discovered EasyUEFI and I downloaded it, but it wouldn't work stating I had a Legacy BIOS Windows system.

spapakons said:

Some years ago when I experimented with installing Mac OS X on my main PC (2nd system specs), I had created an UEFI boot entry "Mac OS X" which I could not remove from the Asus UEFI firmware. Of course my first thought was EasyBCD (an old version which was free back then), but it would not list this entry since it wasn't in Windows boot loader. Some Google search later I discovered EasyUEFI and I downloaded it, but it wouldn't work stating I had a Legacy BIOS Windows system.

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Using EasyUEFI I was able to remover a ghost entry from the boot menu on my Powerspec B746 desktop. The entry was Windows Boot Manager. Some how this entry got entered two different times when updating to the latest Canary Builds. The first time I was able to remove the entry by resetting the BIOS. The entry came back a few updates ago. This time resetting the BIOS didn't work. The entry didn't show in EasyBCD or when I ran MSconfig. I just tried EasyUEFI and looked under Manage BCD Boot Option and it was the first option listed. Followed by Win 25H2, Windows Canary, Macrium Reflect System Recovery and Enter into AOMEI Backupper. The entries under Manage EFI Boot Options named everyone of the entries Windows Boot Manager. I deleted it and restarted the computer to see if it was still listed. The computer booted to a screen asking what keyboard I was using. The US keyboard was selected so I hit the power button and restarted the computer. This time it booted to the boot menu and the Windows Boot Manager was gone.