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Exiting Developer Mode on ChromeOS

Developer Mode on ChromeOS provides advanced users with access to additional features such as root access and the ability to run unofficial software. However, exiting Developer Mode is essential for users who want to restore ChromeOS to its secure, stable state. This guide walks you through the process of exiting Developer Mode on ChromeOS.

Understanding the Consequences

Exiting Developer Mode will erase all data stored on your ChromeOS device, including data from all user accounts on the device. This includes: - Downloaded files - Installed Linux applications (Crostini) - Android apps and settings - Locally stored data (Google Drive files are unaffected) - Custom configurations made in Developer Mode

Ensure you back up any important files before proceeding, as this process is irreversible.

Steps to Exit Developer Mode

Method 1: Using Keyboard Shortcuts

  1. Restart Your Chromebook: Press and hold the Power button and select Restart.
  2. Interrupt the Developer Mode Boot Screen: When you see the screen that says OS verification is OFF, press Space.
  3. Confirm Reset: A confirmation prompt will appear. Press Enter to continue.
  4. Wait for Reset: ChromeOS will restore itself to the default settings and reboot into Verified Mode.
  5. Complete Setup: Follow the on-screen instructions to set up your Chromebook.

Method 2: Using Recovery Mode

If the above method does not work, you can reset your Chromebook using Recovery Mode: 1. Turn Off Your Chromebook. 2. Enter Recovery Mode: - Press and hold Esc + Refresh (F3) and tap the Power button. - Release all keys when the recovery screen appears. 3. Reset the Device: - When prompted, press Ctrl + D. - Press Enter to disable Developer Mode and reset ChromeOS. 4. Wait for Reset: ChromeOS will automatically wipe and restore to its original state. 5. Complete Setup: Follow the on-screen setup process.

Ensuring Developer Mode is Disabled

To verify that Developer Mode has been successfully disabled: - Restart your Chromebook. If you do not see the OS verification is OFF screen, Developer Mode is disabled. - Go to Settings > About ChromeOS > Additional details and check that Developer Mode is not listed.

Re-enabling OS Verification

To enhance security, ensure OS verification is turned on: 1. Open ChromeOS Settings. 2. Navigate to Security and Privacy. 3. Ensure Verified Boot is enabled.

Troubleshooting

If your Chromebook remains in Developer Mode after following these steps: - Repeat the Recovery Mode process and ensure you press Ctrl + D, followed by Enter. - If you encounter errors, use a ChromeOS Recovery USB to reinstall the operating system.

By following this guide, you can safely exit Developer Mode and restore your Chromebook to its default state, ensuring optimal security and stability.