How to Run Chrome OS From a USB Drive

Want to try Chromium OS or Chrome OS? Fortunately, there’s no need to purchase Chromebook as you can run it on any working computer or laptop from a USB Drive.

How to Run Chrome OS From a USB Drive

Google doesn’t offer users any official way to try Chrome OS, but that doesn’t stop the developer for making that thing happen. The method discussed in upcoming lines will make it possible for the users to run Chrome OS on computer or laptop running Windows, MacOS, or Linux. The good thing is that you won’t be overwriting the present OS.

If you’re are intrested, then here’s what you need to do:

Running Chrome OS From a USB Drive

In upcoming lines, we will create a Chrome OS bootable USB Drive that has Chromium OS disk image. But to get started, you require a few things which are as follow:

  • A working computer or laptop that has a USB port
  • A USB Drive with minimum 4GB Storage
  • Download: File archiving tool – 7-Zip for Windows (Free) | Keka for macOS (Free) | p7zip for Linux (Free)

Note: You can use your favorite tool for same purpose, we’re just suggesting you to above one’s

  • Download: Etcher, a tool that let you flash OS images to SD cards & USB drives, safely and easily. Download it for Windows | macOS | Linux (Free)

Note: During the installation process all the data in the USB Drive will be deleted. In case, you have important data in the USB Drive, save it somewhere else before starting following the instructions.

1. Download the Latest Chromium OS image

Google only provides Chromium OS build for Chromebook, and due to this reason, we’re going to use the alternate source, i.e., Arnold The Bat to download Chromium OS.

Download: The latest Chromium OS daily build from Arnold The Bat

You can this link to download the latest Chromium OS daily.

2. Extract the Chromium OS Zipped Image

Now you will have the Chromium OS Zipped image on your computer. Using the 7-Zip program, the one about which we shared in the download section.

Extract the Chromium OS Zipped Image using 7-zip

3. Format USB Drive

Next, you need to format the USB Drive. For that, you need to inject USB Drive in the USB port and format it as FAT32.

Windows, Mac, and Linux all three operating systems have different steps to format the USB Drive. You can search on YouTube to find the right steps for your OS.

On Windows-based computer or laptop, you need to right click on the USB Drive and then select Format.

A quick Format window will open up. Here, you need to change the File system from NTFS to FAT32 and then click on the Start button.

Once the formating process completes, you will get a notification. You can rename it to Chrome OS, if you want.

In case, you find it difficult to format USB Drive on your system, then you can use the following program to make the USB formatting easy.

  • For Windows and MacOS: SD Card Formatter for Windows
  • For Linux users, GParted for Linux (Free)

4. Launch Etcher and Install Chromium OS Image

At this point, you have succesfully formated the USB Drive and named it Chrome OS. Right?

Next, you have to install the Chrome OS Image file on your USB Drive. For that, you need to use Etcher. The tool about which we have already dicussed in the download section.

Here’s what you need to do:

  1. Run the Setup file of Etcher and install it on your computer.
  2. Launch the Etcher program.
  3. Next, click on the Select image button and select the Chrome OS Image file. The one you get in step 2.
  4. After that, select USB Drive in which you want to install the Chrome OS. In case, you have plugged in only one USB drive, then Etcher will detect it automatically.
  5. At last, click on the Flash button to start the image installation and validating installation process.
install chrome os on usb drive using etcher

Once the installation of Chrome OS image on the USB drive is completes, the Etcher will validate that everything is done write.

Note: It is highly recommended to wait until its say 100%. Once the process completes, you will get the Chrome OS bootable USB drive.

5. Restart your computer and enter boot options

Each operating system provide option to select from which drive you want to boot the OS. Whether it is a Hard Disk, DVD Drive, and USB Drive.

For this tutorial, you need to enter the boot options on your machine and select the bootable Chrome os USB drive which you have created right now.

For Windows and Linux PCs – Every system offers unique BIOS Settings. Usually, to enter boot options, you can press the keyboard shortcut F5, F8, or F12 while rebooting your machine.

windows boot options screen

For MacOS – When you restart your Mac, you need to press and hold the Option key. Keep holding the same key until the boot menu appear. Here, you can select USB Drive (Denoted as EFI).

macos boot options screen

6. Boot into Chrome OS

Now when you select the bootable Chrome OS USB drive in the boot options screen and hit enter. Your computer or laptop will load from USB Drive.

You can now enjoy all the feature which Google offers in Chromebook on your computer, without affecting your operating system and primary hard drive.

Since you’re using the Chrome OS for the first time, you need to set it up using Google account. This is a one-time process, and in the future, you will be directly taken to log in screen.

If you really want to try Chrome OS without purchasing the Chromebook, then, you must give a try to this tutorial.

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