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Chromebook C740 unable to Recover

jorjajorja Posts: 1Member New User
My son's Chromebook does not recover after having a "chrome os missing or damaged" message. 
Managed to recover it at his school but his friend pressed ctrl+shift+t right after that (in order to enter developer mode, as he said).
Chromebook then returned to "chrome os missing or damaged" screen and hasn't been able to recover since.
Does anyone have any idea?

FAQ & Answers

  • billseybillsey Posts: 6,575ACE Pathfinder
    Have you tried to recover off a USB flash drive yet? That will often be successful when dealing with a corrupted image.
    Click on "Like" if you find my answer useful or click on "Yes" if it answers your question.
  • MartinJohn00001MartinJohn00001 Posts: 209Member Mr. Fixit
    edited June 13
    @jorja
    I see that you have tried to do power wash in a wrong way. Try to do power wash by following any of the methods below.

    Power Wash For Chromebook:
    ************************************
    Press and hold Ctrl + Alt + Shift + r. Select Restart.In the box that appears, select Power wash and then Continue.


    Power Wash For Chromebook:
    ************************************
    Turn off your Chromebook.
    Press and hold the Esc key and refresh (F3) key and then press the power button to turn on the Chromebook.
    The Chromebook will boot to Developer Mode. Press Ctrl + D to turn off OS verification.
    When prompted to turn OS verification off, press Enter and the Chromebook will restart.
    At the OS verification is OFF screen, do not press the Spacebar. The recovery process will start automatically after approximately 15 seconds.
    The restore process takes about 5 minutes. A progress bar appears at the top of the screen.
    The Chromebook restarts and prompts to re-enable verification. Press the Spacebar.
    Press Enter to confirm that you wish to turn OS verification on.
    OS verification is back on and Chromebook reboots automatically.
    The "Welcome!" screen will be displayed and you can complete the on screen instructions.

    Hit 'Accept' if you find the answer helpful! :)


    Hit 'Accept' if you find the answer helpful!     
    Have a Blessed Day  :3
  • ScottsdaleScottsdale Posts: 1Member New User
    I am technical, I have followed directions explicitly and NOTHING works. Am desparate, pls. help.
  • billseybillsey Posts: 6,575ACE Pathfinder
    If a power wash doesn't help, and OS restore from a flash drive doesn't work then the chances are it's a catastrophic failure requiring a motherboard replacement to fix. That may or may not be cost effective if you're out of warranty.
    Click on "Like" if you find my answer useful or click on "Yes" if it answers your question.
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