To make the image work on a standard PC, you must download the Brunch Framework from GitHub. Review of ChromeOS Rammus (via Brunch)

"Rammus" refers to the official ChromeOS recovery image for 4th to 9th generation Intel Core processors. While Google does not provide a standard "ISO" for regular PCs, enthusiasts use the Brunch Framework

to convert these official recovery images into a bootable format for non-Chromebook hardware. Download Links Official Recovery Image (Rammus): You can find the latest version on or via the official Google Download Server Required Framework: