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Chromebooks are laptops or tablets running the Linux-based Chrome OS (designed by Google) as its operating system. The devices are primarily used to perform a variety of tasks using the Google Chrome browser, with most applications and data residing in the cloud rather than on the machine itself.
Most Chromebooks have a locked bootloader that will prevent them from booting any external operating system (Windows, Linux, BDE or any other). The process to unlock it differs from brand/model and it is impossible to provide a unique and generic method to do it. The Internet is full of useful information to accomplish this feat on the condition that you know the Chromebook manufacturer and model. The list below is non-exhaustive and only provides some recurrent tips that are required to unlock the bootloader and boot another operating system:
- Enabling Developer mode (requires pressing some keys while booting, then bypassing some screens/messages).
- On occasions, this mode (off by default) can only be enabled by an administrator and/or need the Chromebook to be connected to a valid domain (e.g. school or else).
- Some alternative steps:
- Modifying the Chromebooks BIOS (to enable the Legacy Boot, may require pressing some keys and typing some commands in a terminal),
- Inserting a paperclip or other slim object into a tiny hole on the side of the unit while pressing the Power button,
- Removing the back cover and turning a screw or short-cutting some pins (this deletes all the drive data and voids the warranty!),
- Enabling USB boot (may require pressing some keys and typing some commands in a terminal).
- Finally, rebooting the machine with a bootable USB stick containing a BDE image.
Provided that the Chromebook is unlocked and boots BDE successfully, BDE usually supports these machines well and the erasure works without issues.
Important:
Any user that needs to erase Chromebooks should make sure that the previous owner has put the device in Developer mode and/or the machine is not "Cloud-locked" and/or does not require any administrator password to be processed.
Notes:
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