Chromebook: How to recover and reset the Chrome OS

Chromebook: How to recover and reset the Chrome OS



This article provides information on how to recover and reset the Chrome OS on a Dell Chromebook PC.


Table of Contents:

  1. The Chrome (OS) Operating System
  2. Recovering the Chromebook
  3. Resetting the Chromebook
  4. Troubleshooting Steps

1. The Chrome (OS) Operating System

Chromebooks are powered by the Google Chrome operating system, based on Google's popular Chrome Browser. It has been developed to provide a fast, simple and more secure computing experience for users who spend most of their time online.

The Key Benefits are :

Fast:

Custom BIOS, boots in 5 seconds. Resumes in less than 1 second.

Simple:

Automatic bacground updates. User data stays in the cloud.

Secure:

Firmware and file system verfified against modifications at boot and during run time. Trusted Platform Module (TPM) provides added protection.


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2. Recovering the Chromebook

This means installing a new version of the Chrome OS on your Chromebook by going through the recovery process. You would want to do this is you have problems updating your Chromebook or if it stops working.

Warning: All account information and data stored on your Chromebook, such as photos, downloaded files, and saved networks, will be deleted. Owner privileges for your primary account will also be reset. However, the actual Google Accounts and any data synced to these accounts won't be affected by the recovery process. After the recovery process is completed, you will be guided through the initial setup again.

You will need :

  • A Chrome device with Administrator rights or a Windows, Mac or Linux PC with Administrator privileges.
  • A 4 GB or larger USB flash drive or SD card that you do not mind wiping.

Do you see a Chrome OS is missing or damaged message? If you do, try a hard reset of your Chromebook first. Hold Down Refresh + Power together. If the message continues, please carry on with this guide.

Do you see a Chrome OS verification is turned off message instead? Pressing Ctrl + D together would normally enable you to enter developer mode, but if you hit the Space Bar instead - you will see a screen asking you to recover your device.

Create a Recovery USB flash drive or SD card.

Note: When recovering your Chromebook, make sure to create the recovery flash drive for the correct model. You can create the recovery tool on a Windows, Mac or Linux PC. (Previously this was Image Burner)

Chrome

Note: You have to have access to a working PC in order to recover your Chromebook.

Windows

Note: When you create a recovery flash drive, please be aware the tool may not be available in all languages.
  1. Use the following link to download the recovery tool:

  2. Run the tool and follow the onscreen instructions

  3. After you recover the Chromebook, you must format the USB flash driver of SD card using the recovery tool. If the USB flash drive or SD card is not formatted then it won't be able to use all the storage space on the external device. If it isn't formatted, then Windows may not recognise the drive or card to begin with.

Linux

Note: When you create a recovery flash drive, please be aware the tool may not be available in all languages.
  1. Use the following link to download the recovery tool:

  2. Modify the script permissions to allow the file to run with the following terminal command:

    $ sudo chmod 755 linux_recovery.sh
  3. Run the script with root privileges using the following terminal command:

    $ sudo bash linux-recovery.sh
  4. Follow the prompts from the tool to complete building the operating system image.

Mac

Note: When you create a recovery flash drive, please be aware the tool may not be available in all languages.
  1. Use the following link to download the recovery tool:

  2. Run the tool and follow the onscreen instructions

  3. Once the process is complete you may see an alert stating that your USB drive or SD card is unreadable. If this fails, try reinserting the drive or card to your system. This will usually cause the drive or card to be recognised so that it's ready for use for the recovery.

Reinstall the Chrome OS

  1. Start your Chromebook. (Please remove any peripherals that are plugged to the system.)

  2. Enter Recovery Mode:

  3. Press and hold the Esc key plus the Refresh key, then press the power button. Let go of the power button and when a message shows onscreen, let go of the other keys. (Chromebox and Chromebit come with a recovery button.)

  4. When the system displays either the Chrome OS is missing or damaged or Please insert a recovery USB stick or SD card onscreen message, insert the USB flash drive or SD card you've prepared into the USB hub port or the SD card slot on your faulty device.

  5. Wait for the Chromebook to boot up from the flash drive or card.

  6. Follow the instructions that appear on the screen.

  7. On successful installation of the Chrome OS, you'll be prompted to remove the USB flash drive or SD card.

  8. Your Chromebook should now automatically restart and boot.

Note: Because the data on your Chromebook has been cleared, you will need to go through the initial setup again. Make sure to sign in to your Primary Google account if this is set as the Owner account.


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3. Resetting the Chromebook

All local data stored on the Chromebook can be cleared by resetting it to its original factory settings. This is also known as a Powerwash. This is of most use when you are having user profile difficulties on your device.

Warning: Do not use this guide if you are using a managed Chrome device. You will NOT be able to re-enrol your device after powerwashing it.
  1. Click the status area in the bottom right hand side corner - where your account picture appears.

(Fig.1 Chrome Status Area)

  1. Select Settings and click on Show Advanced settings at the bottom of the page.

(Fig.2 Chrome Status Area Opened)

(Fig.3 Chrome Settings page)

  1. Find the Powerwash section and click Restart.

(Fig.4 Powerwash button on the Settings Page)

  1. In the pop up box that opens, select Restart.

Alternatively you can hold down the Ctrl + Alt + Shift + R keys together from the sign in screen and click Reset.

This will take you back Factory Fresh and you will need to go through the setup for the device again.

Note: Once you have setup your device, please check the following link for instructions on how to ensure you keep your system up to date with the most recent updates available from Google:


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4. Troubleshooting Steps

If you run into trouble while carrying out any of the steps above, please check out the question and answers below for some helpful tips on resolving them. If you are still having issues after this, please contact us to take this further.

Question Solution
I am unable to recover my Chromebook To help ensure that you are running the latest version of Chrome OS once you recover your Chromebook, we recommend creating the recovery media with the latest version of Chrome OS and avoid using recovery media that may contain an older version of the operating system.
An error message - An unexpected error has occurred.

Try the following steps

  1. Confirm that you successfully completed all instructions exactly as specified in the Create a recovery USB flash drive or SD card section.
  2. Try using a different USB stick or SD card.
  3. If the problem persists, contact Google Chrome support team.
An error message - You are using an out-of-date Chrome OS recovery image. You should download an up-to date recovery image. Simply follow all the instructions exactly as specified in the Create a recovery USB flash drive or SD card.
You successfully recovered your Chromebook but now you can't use your USB or SD card with Windows After you've completed recovery, you need to format your USB or SD card using the recovery tool.
You successfully recovered your Chromebook but now Windows doesn't recognize the whole size of the USB or SD card used for recover. After you've completed recovery, you need to format your USB or SD card using the recovery tool.


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Article ID: SLN293899

Last Date Modified: 08/08/2018 01:32 PM


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