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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850 thoughts on “Chromium OS”

      1. I have attempted many builds both 64 and 86, including dailys, weeklys, and specials. Every one I have attempted gets stuck on the Chromium Welcome! screen. I have a mouse pointer but am not able to select anything with it or use the enter key. Any suggestions??

  1. I installed Chromium os on my hdd everything works fine except Google drive on the files program . it doesnt display any files and if i go to the settings part it give’s the following messeage.

    “Failed to retrieve space”.
    any way to fix this?

  2. Hi. Do you have any plan to post how to build .img from chromium OS code? I wonder if I can just fix the code and test in my PC.

  3. Using Camd64OS-20150126010102.vdi.7z from the dailies, I’m not getting any GUI in VirtualBox.

    Which driver is it supposed to use in VirtualBox? I only see ati, fbdev, intel, nouveau, and radeon in /usr/lib64/xorg/drivers.

    1. Hi

      VirtualBox drivers aren’t built in at the moment. You can potentially try to force Vesa with an Xorg -configure (but don’t expect much). I’m working on the drivers for VirtualBox

  4. You need 2 dashes before the “dst” part.

    chromeos-install –dst /dev/sda

    Sorry, I typed my original response to you really fast and without checking. My fault!

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