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Reset root password for Chromebook

Liam Parker |

How could I do this?

I tried:

  1. putting the chromebook in dev mode
  2. enabling debugging options
  3. set the root password
  4. browse as guest(also tried with a google account)
  5. open shell ctrl + shift + t
  6. enter shell and sudo su
  7. enter password I set in debugging options window

Password is incorrect.

I tried also to recovering with Chrome extension, and after that normal mode was set again. Then I went back to development mode, did the same steps above. Getting the same result.

Any advice?

1

4 Answers

Starting from the desktop, logged in as a user[1], the following steps have solved this problem for me:

  1. Press Ctrl+Alt+Forward Arrow (Ctrl+Alt+F2 on some machines. If your machine doesn't have F2, then try whichever key is two spaces to the right of Esc - typically it's an arrow facing to the right).
  2. You should reach a "Developer Console" prompt, where the last line of text ends with localhost login:. Enter "root" and hit return.
  3. Enter the root password you set previously (or just hit return if you didn't set a root password).

[1] It may be possible to reach this console without being logged in - I am not sure.

2

I just spent several hours trying to figure this out. In particular, Ctrl-Alt-F2 (AKA '->') was only showing me a blank, black screen. However, it turned out that there was still a login prompt running (just not showing on the screen)!

I was able to log in as root and run the 'chromeos-setdevpasswd' command to set a password, just by blindly pressing the right keys and hoping it would work. It did!

I didn't see this possibility mentioned in any of my search results, so thought I'd put it here in case it helps anyone. I'm using an Asus C202S Chromebook, with CHROMEOS_RELEASE_VERSION=10895.56.0 (according to /etc/lsb-release)

1.) localhost login: root password: The password is the password you set for enabling debugging features.

For Example: If your password that you set is: 12345678 then it will look like...

localhost login: root
password:12345678

2.) Now it should say: localhost ~ # enter chromeos-setdevpasswd and press enter it will look like...

localhost ~ # chromeos-setdevpasswd
password:

now enter a password to use for sudo su. Then verify your password.

I found this to set up root password for chronos. Android App Testing on Chromebooks February 28, 2019

Need to start from "setting up developer mode initial reboot".

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