Before You Start

Before you start, it's best to be prepared. You'll need the following:

  • A spare USB drive, minimum 4GB
  • A computer running Chrome OS

How to Create a Chrome OS Recovery Drive

1. Download the Recovery Utility

The Chromebook Recovery Utility in the Chrome Web Store
The Chromebook Recovery Utility in the Chrome Web Store

Boot up the Chrome OS computer, open Chrome, navigate to the Chrome Web Store and download the Chromebook Recovery Utility.

2. Open the Utility

The first screen of the Chromebook Recovery Utility
The first screen of the Chromebook Recovery Utility

Add the Recovery Utility to Chrome and launch it.

You'll need a spare 4GB USB drive that will be erased during the process.  Alternatively, if the Chromebook has an SD card slot, you can use an SD Card for the recovery media.

3. Identify the Chromebook

Use the destination Chromebook identifier to create the recovery media
Use the destination Chromebook identifier to create the recovery media...

Identify the destination Chromebook. You can do this using the Chromebook identification code, or you can select the make and mode from a list.

In this case, Chromebook means any machine that runs Chrome OS. It means Chromebox desktops as well as Chromebook laptops.

or choose the make and model
...or choose the make and model.

For instance, I created the recovery media for a Chromebook Pixel using a Lenovo ThinkCentre running Chrome OS.

4. Insert the USB Drive

Insert the USB drive or SD Card
Insert the USB drive or SD Card

If you have already inserted the USB drive or SD Card, select it from the list. If you have not yet inserted the recovery media, do it now and ensure that it is correctly selected.

5. Create the Recovery Image

Confirm that youve selected the correct USB media as it will be permanently deleted
Confirm that you've selected the correct USB media as it will be permanently deleted

Double check that you've selected the correct USB or SD media as it will be permanently deleted. Once you've checked and selected the correct drive, click the blue Create Now button.

The utility will create the USB Recovery Utility on the selected media
The utility will create the USB Recovery Utility on the selected media

The utility will go through the steps of creating the recovery image on the USB drive or SD Card. 

This process will take a few minutes, so it's best to go and have a cup of tea. Don't interrupt the process by closing the application or turning off the computer.

6. Remove the USB Drive

When the utility has finished eject the recovery media
When the utility has finished, eject the recovery media

The utility will let you know when the process is complete. Eject the USB drive or SD Card and label it clearly.

Keep the recovery USB drive or SD Card in a safe place, just in case you need it in the future.

When to Use the Chrome OS Recovery Drive

Once the USB Recovery Drive has been created, label it and store it somewhere safely.

1. Identify the Problem

If the Chromebook ever shows the message Chrome OS is missing or damaged. Please insert a recovery USB stick or SD card, then you'll be safe in the knowledge that you have a prepared by creating a recovery USB drive.

2. Power Down

Power down the device. Plug in the recovery drive

4. Insert the ChromeOS USB Recovery Drive

Insert the Chrome OS USB recovery drive into a spare USB port on the Chromebook.

5. Power Up

Insert the recovery media, USB drive or SD Card, that you created earlier and follow the on-screen instructions.

Conclusion

Better to be safe than sorry. Whilst computers in general, and Chromebooks specifically, are pretty reliable these days, there's no telling when something may go awry.

Investing a few minutes creating recovery media will pay dividends in the long run should it be required in restoring an ailing Chromebook.