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If you see the error message “Chrome OS is missing or damaged” it may be necessary to reinstall the Chrome operating system. … If you see more error messages on your Chromebook, it may mean there is a serious hardware error. A simple “ChromeOS is missing or damaged” message typically means that it is a software error.
How do I get out of Chrome OS missing or damaged?
“Chrome OS is missing or damaged. Please insert a recovery USB stick or SD card.” “Please insert a recovery USB stick or SD card.”
…
Enter recovery mode:
- Chromebook: Press and hold Esc + Refresh , then press Power . …
- Chromebox: First, turn it off. …
- Chromebit: First, unplug it from power.
How do I fix Chrome OS?
System problems
- Turn off your Chromebook, then turn it back on.
- Close all your apps and browser windows.
- If a specific tab in your browser causes your Chromebook to crash or freeze, hard refresh the page: Ctrl + Shift + r.
- If you’ve installed any new apps or extensions recently, uninstall them.
- Reset your Chromebook.
