Chromium OS

Chromium OS is an open-source project that aims to build an operating system that provides a fast, simple, and more secure computing experience for people who spend most of their time on the web.

All downloads are located at This will be updated daily where builds compile succcessfully..

Build Instructions for USB

  • Linux
    1. Use p7zip to extract the IMG file from the downloaded file.
    2. At the shell, run the following (where sdX is your USB stick and ChromeOS.img is the path to the IMG file you extracted):
      dd if=ChromeOS.img of=/dev/sdX bs=4M/
    3. Boot from USB stick
  • Windows
    1. Use 7zip to extract IMG file from the downloaded file.
    2. Use Win32 Image Writer, then select the IMG file and select the USB device from the menu.
    3. Click on “Write”.
    4. Boot from USB stick

All builds based on x86 and ARM generic board.

If you want to install to your hard drive, follow the instructions here and here. Heed the warnings noted in the links! When prompted for a password for the chronos user, use ‘password’ (without the quotes!).

Once installed, you can update from the Dev Server noted here.

Tested on Dell Studio 1555 with Intel 5100 AGN Wireless. Oh and VirtualBox of course. If you need instructions on how to use VirtualBox, go here and RTFM..

Thanks to The Chromium Projects


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1,197 thoughts on “Chromium OS”

  1. Any ideas how to install Chromium OS with one of John Lewis’s SeaBios ROMS? I’m opening a terminal and logging in as chronos, but when I run the command: /usr/sbin/chromeos-install, it says it doesn’t recognize the location of the dev/sdb1 drive or something like that. I want to keep Chrome OS on my Acer C720, but I installed John Lewis’s ROM so I can potentially dual boot Ubuntu or Windows later on.

  2. I have been able to put the image on a flash drive and boot into Chromium on my Acer AOD150 netbook. Everything works including wifi, sound, etc.

    HOWEVER… :)

    I can only do this once. When the OS is shutdown and the netbook restarted, Chromium will not boot at all. The system just sits there. I have reloaded the image on the memory stick a half dozen times and each time it works great until I shut it down.

    I am assuming this has to do with OS verification.

    Could somebody give me a clue here? Thanks.

  3. I can’t run Chromium OS on VirtualBox 4.3.28 .
    I choose weekly vision and download the [ Camd64xxx.vid.7z ] .
    And then i use it for virtual machine .
    If i run , i can see the GNU GRUB menu .
    Last , I get [ Booting ‘local image A’ ] and stop here .

    Maybe i need some setting ?
    There is my setting .
    [ Enable EFI ] is checked .

    Thanks :)

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