Knowing these details will allow for more targeted recovery steps. Share public link
As the router powers up, continuously press Ctrl + C (or the spacebar, depending on the chipset) to halt the automatic boot process. This drops you into the CFE or U-Boot command prompt (e.g., CFE> ). Step 4: Apply the MBR Support Files
Boot into your Linux Live USB, open a terminal in your installation folder, and run the install script (e.g., sudo chromeos-install.sh -src -dst /dev/sdX ).
The official Brunch documentation and community discussions (e.g., GitHub Discussion #728) outline the procedure for applying the patch.
Command-line programs to rebuild broken partition tables.