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, amd64 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.

Thanks to The Chromium Projects


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2,002 thoughts on “Chromium OS”

    1. Run the command, with the –dst flag. The specify the disk you want (not partition) from the command lsblk. Make sure you backup your system, as it will wipe your disk clean!

  1. Hey Arnold, outstanding work my friend! Just getting into Chromium, you make it easy for us numpties!!

  2. Laptop: Acer Aspire Switch 11 SW5 11.6-Inch Convertible Notebook PC, Processor: Intel Atom Z3745 1.33 GHz, 2 GB RAM, Wifi: Realtek RTL8723BS Wireless LAN 802.11n SDIO Network Adapter,

    Cannot get off the first screen because it cannot connect to wifi:

    Camd64OS_R54-8659.0-Vanilla – wifi – no network – wifi is turned off

    Camd64OS-20160823010101.img – wifi – no network – taskbar -type thing (bottom right) disapears.

    Cx86OS_R54-8659.0-Special – no network – taskbar -type thing (bottom right) disapears. no touchscreen

    i do not know what to do 🙁

      1. Hi Stas,

        I got stuck on step one, my wifi adapter is not an intel, as per my previous post it is a Realtek (RTL8723BS Wireless LAN 802.11n SDIO). I tried to search for similar drivers and found this: To be honest the rest of your instructions didn’t make 100% sense to me either. I’m keen to learn but somewhat confused which file should i download and how to follow your instructions.

    1. Or faster workaround is :

      1.Enter shell (CTRL+ALT+F2) -> sudo su
      2.mount -o ,remount rw /
      3.dmesg + “shift+pgup” to find exact “wifi-module-name.ucode” that throwing error. /lib/firmware – I bet you dont have this module name in list of file you will get from output. just go to /lib/firmware and copy latest .ucode module but with name of “error loading module” name.
      6.reboot computer – wifi should start working.

  3. Hello Anrold,

    How do I get .iso file instead of .img. I need to put into my EASY2Boot usb ( contains multiple distributions) , so I can select the one I need ( example ubuntu, Chromium, Mint). I require .iso file. How do I get it or is there a way I can convert .img to .iso?

    1. I Tink that you cant. the .img file is a image formated in ext4, iso images (that are cd/dvd/bd/gd/etc… images) have iso9660/jouliet file system. you can try, but…
      PS: if you can do it, tell me =)
      Sorry for my bad english, im brazilian =P

  4. hi arnold the bat, i have question, I install adobe flash by benjaminpeters site, always install Adobe Flash version 15, how do I update the adobe flash that your operating system.

  5. Hey Everyone,
    I need a little help here. I’m very new to Chromium but have a good amount of experience with multiple Linux platforms and OS’s. I’ve been asked to try and load Chromium on to an HP Pavilion 10 TS Notebook PC running Windows 8 with an AMD A4-1200 APU (1.0 Ghz) and 1 Gig RAM. It may be a system requirement issue but I can get to the Chrome logo screen then it goes blank and nothing else. I am able to get to a command line but that is it. I have also tried a myriad of releases from newest to oldest to specials. Any help would be greatly appreciated as I am with all community source builds.



  6. Hi,

    Love your work on this, but I am trying to install this on a PC (Compaq Presario LGQ1515) and I can get it booting, and I don’t know if I am being too impatient but I can’t get past the splash screen, and when I list all of my drives using lsblk and sudo fdisk -l it only comes up with my 2TB USB expansion drive and the bootable USB drive. Help?

  7. I have special needs that create problems with handwriting, your Chrome OS builds have helped my a lot with school work!!!

    Keep Going with the server!

  8. Hi Arnold,
    You rock! Thanks a trillion for all your hard work on Chromium OS!
    Well, I have a question. You see, I have a touchscreen laptop (HP Spectre x360 G1) and I want to ask you: if I use the special build, will the touchscreen work?
    Thanks 🙂

  9. Any chance the chromium builds will be able to run Android apps? I’ve read that functionality is being rolled out on some Chromebooks and was just curious. Keep up the great work.

  10. Hi Arnold, I have been trying to reinstall linux after installing chromium on my computer (completely wiping it). I have tried getting into developer mode by using touch /mnt/stateful_partition/.developer_mode without any luck in order to change the boot order with crossystem dev_boot_usb=1, since my grub boot seems to be lost in translation (uninstalled when i installed chromium). I have also tried the ESC + F3 + power combination, but my computer does not display anything at all. I have a desktop and can’t seem to find a solution on how to be able to boot from my trusty Ubuntu USB drive and reinstall Ubuntu.

    I can’t change crossystem dev_boot_usb=0 dev_boot_signed_only=1 because it is stating that those parameters are read-only.

    I also tried to press F12 (my bios default button to select the default boot order, but this does not work).

    I am stuck with chromium and want to be able to double boot.

    I also installed cruton to see if i could possibly install grub from that frontend but when i initialize it through chron, I get a black screen.

    Is there any other way you could think I could install grub in order to select USB as the default boot method?

  11. Wishing there was a universal driver for Wi-fi. The core that would be set as standard for all manufacturers whether Atheros, Realtek and what not. Otherwise, searching for the Wi-fi driver during install is a pain in the ass.

  12. Hello all,
    When I install this on a x120e (lenovo), I get a mouse pointer, but the screen is black with no icons or taskbar. I think this is a driver issue because when I move the pointer around it changes to a hand in some places. Am I right? Is this a driver issue, and if so, how do I get the right drivers?

    1. As a follow up to my own question above, curiously, on wake from sleep when the pointer does not show up, if I CTRL-ALT-F2 then CTRL-ALT-F1, the pointer returns. Does this help narrow the problem?

  13. hi Arnold,
    how can i use The Android apps no Chromium OS? i read anything internet thay its possible Just Chromium 55. is it true?
    i get one pendrive stick with 30 Gb but close just 1 Gb adicional. is there write the iso in The pendrive but remaining 25 Gb?
    Thanks a lot!

    1. I need to fix the space issues. Feel free to install to hard drive, then space issues are fixed. It ‘might’ be possible to install to another USB drive as well by setting the install path.

  14. Hello, can someone tell me which image should work on a Lenovo Miix 2 11″ running a core i3 4012y processor? Already tried the Acer c720 and Dell chromebook 11 images and they didn’t boot. Any suggestion? Thanks

  15. Hi Arnold

    Firstly thank you for the great work you’ve put into this. Just wanted to check with you in regards to the ChromiumOS Special Build – R54-8659 32bit version, I’m trying to setup openVPN through chrome but am unable to as the import option for certificates is greyed out. Do you know if this is supposed to be like this or am I doing something wrong?


  16. wifi not working 🙁 . My Card is Broadcom Corporation BCM4311 802.11b/g WLAN. I tried to put b43 drivers from neverwares couldready but not working. (same kernel version) error: modprobe: ERROR: could not insert ‘b43’: Exec format error. Sorry for my bad english.

  17. Hey Arnold,

    Could you somehow add the iwlwifi-3160-17.ucode file into your special builds? That’s the one I need for my wireless drivers to work (using an Acer Cloudbook 14). If you can’t, is there some way I can add it to your existing builds for myself? Like unpacking the img, etc? Thanks

  18. I am really interested in trying the Chromium OS but have an issue.

    When I copy the image to a USB disk the process completes successfully but the process creates 12 additional drives on the stick.

    When I try to boot with the USB stick it isn’t recognised.

    Hope you can help!

    Love the site by the way!

    1. its not 12 additional drives, it is the uefi partitions required to boot in a uefi system. I don’t believe that you can boot these images in an old bios system (without uefi), has an image for older systems, but i have not tried it….good luck


  19. Hello!

    I installed the newest Special build onto my USB. I tried to install it on two laptops: Asus and HP. Both laptops give me the same problem: after booting from USB i pass the first screen choosing language, time zone, etc. and on the second screen I am getting a sad face.

    I am connected via ethernet cable to my router – internet should be OK, because it is letting me into the second screen, but why this sad face?

    I tried it with the newest special builds both 32- and 64-bits – same thing.

    Any suggestions?

  20. i just installed it to a 32Gb USB and for some reason on start up it gives me the message that the disk is full. After looking into storage, it shows that it only has 1.1 Gb available with 800mb used. is there a way to make the system recognize the rest of the drive?

  21. Hi,
    I’m trying to install on an old HP compaq 6710b for my 5y old son.

    I installed the 3.4.0 Broadcom resease to get the wifi going… Without success. Wifi seems to be working, but there are no networks detected.
    The touchpad also doesn’t function. I tried following the instructions to get it going, but the etc/X11 directory seems to be unexisting, replacing files is a bit difficult.

    Any help would be great!


  22. Hello Arnold,

    Thank you for your work! You’re amazing!

    I’m having a problem trying to boot from a pendrive I burnt. Sometimes, it freezes with a “Booting the kernel.” message, sometimes with the Chomium logo. I downloaded “Cx86OS_R54-8659.0-Special.7z”.


  23. Hi, I’m running an Asus X205TA and I can get it to boot Cx86OS_86R54-8659.0-Special and it’ll get to the setup screen, but there’s no keyboard, trackpad or wifi. I’ve noticed the same problem with a fresh Windows 10 install and it turned out to be chipset drivers. Is there anything I could do to get it running Chromium? Thanks.

    1. When you say setup screen, that sounds promising since the graphics are working. Could you plugin an external keyboard, get to console and then post the output of lsusb, pspci and dmesg to pastebin please?

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