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ROG G16CH (2024 System does not support installing OS through USB

akrios47
Level 8

‎05-10-2025 05:58 PM

I have been pouring over endlessly any post related to this. I have found no solutions and I have contacted Asus directly with no answer as well as the manufacturer of the NVME (micron) no answer. I have never encountered such an error/ issue in my 20 years of computing.

 

I am not able to install windows 11 cleanly on this system using a flash drive wether i used Microsoft's tool or Rufus. I get the following errors:

SETUP DOES NOT SUPPORT CONFIGURATION OF OR INSTALLATION TOD DISKS CONNECTED THROUGH A USB OR IEEE 1394 PORT.

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akrios47
Level 8

‎05-10-2025 06:29 PM

I recently discovered this https://www.qualityology.com/tech/disable-asus-motherboards-uefi-secure-boot/

 

I am scared to try this but it appears if secure boot is in the way of a custom OS install even though I was just trying to do windows 11 cleanly not some other OS i would need to clear the boot keys to disable secure boot as no other option to simply disable secure boot exists. This is really strange because ive owned Asus boards before where it was very simple to disable, now on this OEM its hot garbage.

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akrios47
Level 8

‎05-12-2025 02:18 PM

I got the following answer that seems helpful from a tech youtuber but there is no CSM option in this bios

 

 

@PulsarTECH

 

Totally understand your frustration—OEM systems (especially ASUS) can make clean installs way harder than they should be. You're on the right track!
 

 

Clearing Secure Boot keys will indeed disable Secure Boot, and yes—they are restorable if needed (most BIOS setups have an option like “Restore Factory Keys” or “Install Default Keys”). Once Secure Boot is disabled, you should be able to: Boot from any USB installer (including those made by Rufus or the Microsoft Media Creation Tool). Avoid weird blockages like the IEEE 1394/USB errors, which often show up due to UEFI/BIOS secure boot policies. Install any version of Windows, even customized ISOs or older ones that don’t meet OEM’s Secure Boot requirements.
 

 

Tips before clearing keys: First, make sure CSM (Compatibility Support Module) is enabled if your USB is set up for MBR/BIOS mode. If you still want UEFI mode, make sure your USB is formatted with FAT32, not NTFS—Secure Boot doesn’t like NTFS bootloaders. And yes, Rufus has a setting for “Create for BIOS/UEFI-CSM” or “UEFI only (no Secure Boot)”—try that too. You’re not breaking anything permanently. Clearing the keys just disables Secure Boot protections—it won’t damage the system. You can always restore or re-enable it later. Hope this will help!
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