Insert the USB drive when prompted with the "ChromeOS is missing or damaged" screen. The device will automatically verify and install the image. Chromebook Recovery Utility - Chrome Web Store
Finding and downloading the correct Chrome OS recovery image for (the board name for the ASUS Chromebook Flip C434 and similar models) is essential for restoring a bricked device or installing ChromeOS on non-native hardware using frameworks like Brunch. Official Download Methods chrome os download recovery image rammus upd hot
Staying updated is essential for security. Recent "hot" updates have addressed several vulnerabilities: rammus - Chrome OS Updates Insert the USB drive when prompted with the