Before starting this process, you will need the following:
•
A Chrome device, Windows, Mac, or Linux computer with administrative rights.
•
A 4 GB or larger USB flash drive or SD card that you do not mind clearing.
Step 1: Check for the "Chrome OS is missing or damaged" message
If you see this message, you can first try to perform a hard reset on your Chromebook by pressing R Power. If you still see this
message after performing a hard reset, please proceed to Step 2.
If you see the
Chrome OS verification is turned off
message, refer to
Chrome OS verification is turned off
section below.
Step 2: Create the recovery USB flash drive or SD card
Insert a USB flash drive or SD card into your computer and follow the instructions below:
Table 18. USB flash drive or SD card
Operating System
Instructions
Chrome Device Instructions
Create a recovery flash drive by using the Image Burner. The tool
may not be available in all languages.
1
Type chrome://imageburner into the omnibox (browser's
address bar) .
2
Run the tool and follow the instructions that appear on your
screen.
NOTE:
When recovering your Chromebook, make sure to
create the recovery flash drive on the same model.
Windows Instructions
1
Click this
to download the Recovery Tool. If you are a
network administrator for your school, business, or
organization, click this
to download the Recovery Tool:
2
Run the tool and follow the instructions that appear on your
screen.
3
After you recover your Chromebook, you must format your
USB flash drive or SD card using the Recovery Tool. If you do
not format your USB flash drive or SD card, you will not be
able to use all the storage space on your external device.
Additionally, your USB flash drive or SD card may not be
recognizable by Windows.
Mac Instructions
Create a recovery flash drive by using the Recovery Tool. The tool
may not be available in all languages.
1
Click this
to download the Recovery Tool.
2
Run the tool and follow the instructions that appear on your
screen.
After the process is complete, you might see an alert saying your
USB drive or SD card is unreadable. If this fails, try removing and
reinserting your USB drive or SD card. Your USB drive or SD card
should now be ready to use for recovery.
Linux Instructions
Create a recovery flash drive by using the Recovery Tool. The tool
may not be available in all languages.
1
to download the Recovery Tool.
2
Modify the script permissions to allow execution with the
following command: $ & sudo chmod 755 linux_recovery.sh
Diagnostics and Troubleshooting
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