How to Create a Bootable Linux USB Drive With Rufus or balenaEtcher

A bootable Linux USB drive is one of the most useful tools a PC owner can keep around. It can install Linux, test a distribution without changing the internal drive, provide a recovery environment for a broken computer or help you verify whether a Windows problem is software- or hardware-related.

The process is straightforward, but there is one critical risk: creating bootable media normally erases the selected USB drive. The most important step is confirming that you are writing to the correct removable device before you start.

What You Need

• A USB flash drive large enough for the Linux image. An 8 GB or larger drive is a practical baseline for most current desktop distributions.
• The Linux ISO downloaded from the distribution’s official website.
• Rufus on Windows, or balenaEtcher on Windows, macOS or Linux.
• A backup of anything currently stored on the USB drive.
• Administrator permission on the computer used to create the media.

Download the Linux ISO From the Official Source

Start at the official website for the Linux distribution you intend to use. Avoid random mirrors, download portals and repackaged images when the project provides an official download path.

For Ubuntu, Canonical’s current documentation recommends creating installation media from the downloaded ISO and provides current instructions for Rufus and balenaEtcher. Official reference: Ubuntu Desktop: Create a bootable USB stick.

Verify the Download When Checksums Are Available

Many Linux projects publish a SHA256 checksum or another hash for their ISO files. Comparing the downloaded file against the official checksum can catch a damaged or altered download before you write it to a USB drive.

This step is especially worthwhile when the image will be used for installation or recovery. A corrupted ISO can create confusing boot failures that look like a hardware problem.

Method 1: Create the USB With Rufus on Windows

Rufus is a small open-source Windows utility designed to format and create bootable USB media. The project currently supports bootable ISO images for Windows, Linux and UEFI systems.

1. Download Rufus from the official Rufus website.
2. Insert the USB flash drive.
3. Open Rufus and confirm the correct device appears in the Device field.
4. Choose Select and open the Linux ISO.
5. Leave the recommended defaults unless the Linux project’s documentation tells you to change a partition or boot option.
6. Select Start.
7. Read the warning carefully and confirm that the selected USB drive can be erased.
8. Wait until Rufus reports that the process is complete before removing the drive.

Ubuntu’s current documentation notes that most Rufus options can safely remain at their default values for a normal Ubuntu installer.

Method 2: Create the USB With balenaEtcher

balenaEtcher uses a simpler image-to-drive workflow and is available on Windows, macOS and Linux. The application’s core process is essentially: select the image, select the target drive and flash it.

1. Download Etcher from the official balenaEtcher website.
2. Open Etcher.
3. Select the Linux ISO or supported image file.
4. Select the USB flash drive as the target.
5. Verify the drive capacity and identity before continuing.
6. Start the flash process.
7. Allow Etcher to complete its validation step before ejecting the drive.

Etcher is useful when you want a cross-platform tool with fewer partition-layout choices. Rufus is more flexible on Windows when a specific image needs additional boot or partition options.

Rufus vs balenaEtcher

Feature	Rufus	balenaEtcher
Primary platforms	Windows	Windows, macOS, Linux
Ease of use	Easy, with more settings visible	Very simple three-step workflow
Advanced partition/boot controls	Strong	Minimal
Image validation	Depends on workflow/image	Built into normal flash process
Best fit	Windows users and advanced compatibility cases	Simple cross-platform flashing

Do Not Copy the ISO Like a Normal File

Dragging an ISO file onto a blank USB drive in File Explorer normally does not create bootable installation media. A proper imaging tool writes the boot structure and filesystem layout needed for the computer firmware to recognize the drive during startup.

How to Boot From the Linux USB

After the drive is created, leave it connected to the target PC and restart the computer. Many systems use a temporary boot-menu key such as F12, F11, Esc or another manufacturer-specific key during startup.

Select the USB device from the boot menu. If the Linux image offers a live environment, choose the option to try Linux without installing when you only want to test hardware or perform recovery work.

If the USB Does Not Appear in the Boot Menu

Try these checks in order:

1. Move the USB drive to another physical port.
2. Reboot and reopen the temporary boot menu.
3. Check whether USB boot is disabled in UEFI/BIOS settings.
4. Recreate the drive from a fresh ISO download.
5. Try the other imaging tool.
6. Test a different USB flash drive.

Older PCs may behave better with a USB 2.0 port or a different partition mode. Newer UEFI systems generally work with the defaults recommended by the Linux distribution.

UEFI, Legacy BIOS and Partition Choices

Modern PCs normally use UEFI. If Rufus presents partition-scheme options, do not change them blindly. Follow the Linux project’s current documentation and the firmware mode used by the target computer.

Choosing a legacy-only setup on a modern UEFI machine can create unnecessary boot problems. Conversely, very old systems may need compatibility settings that a recent PC does not.

What About Secure Boot?

Many major Linux distributions support Secure Boot on common UEFI systems, but support varies by distribution, release, drivers and custom kernels. Do not disable Secure Boot automatically just because a USB fails to start.

First verify that the ISO is current, the USB was written correctly and the distribution officially supports your hardware. If a project specifically requires a Secure Boot change, document the original setting so it can be restored later.

Use a Live Linux USB for PC Troubleshooting

A live Linux environment can help isolate problems. If the machine freezes in Windows but remains stable for an extended Linux live session, the evidence points more strongly toward a Windows driver, application or operating-system issue. If the PC still crashes, overheats or produces memory/storage errors, hardware becomes more suspicious.

For a broader diagnostic process, see How to Fix a Windows PC That Keeps Freezing.

Use a Bootable USB for File Recovery Carefully

A Linux live environment can sometimes access files on a Windows drive that will no longer boot. If the internal drive may be failing, minimize unnecessary writes to it and copy important files to a separate healthy disk.

If data is irreplaceable and the drive is making unusual noises, disappearing from firmware or producing serious read errors, stop experimenting and consider professional recovery before repeated attempts make the situation worse.

Can You Reuse the USB Drive Later?

Yes. After you no longer need the bootable media, the drive can usually be reformatted for normal storage. Windows may show an unusual capacity or multiple partitions because of the Linux image. Use Windows Disk Management or another trusted partitioning tool to remove the image partitions and create a new standard volume.

Be absolutely certain you select the USB device rather than an internal drive.

Should You Use Ventoy Instead?

Ventoy is useful when you want one USB drive that can store several ISO files and present a boot menu. It is a different workflow from Rufus or Etcher and can be convenient for technicians who maintain multiple installers.

However, compatibility issues can exist with particular Ventoy releases and specific operating-system images. Canonical’s July 2026 Ubuntu documentation, for example, warns of an Ubuntu installation problem with Ventoy 1.1.11 and recommends using another release or a different tool. For a one-time installer, Rufus or Etcher is usually simpler.

Bootable Linux USB Safety Checklist

• Download the ISO from the Linux project’s official source.
• Verify the checksum when the project publishes one.
• Back up everything on the USB drive.
• Disconnect unnecessary external drives if that reduces selection risk.
• Confirm the USB capacity and device name before flashing.
• Let the imaging tool finish completely before removal.
• Use a live session first if you are only testing or recovering a PC.
• Do not disable Secure Boot or change firmware settings without a specific reason.

Bottom Line

Rufus and balenaEtcher are both reliable ways to create Linux installation and recovery media when you use a current ISO and verify the target drive carefully. Rufus gives Windows users more control, while Etcher offers a simpler cross-platform workflow. The main risk is not technical complexity—it is accidentally overwriting the wrong drive—so slow down at the device-selection step and confirm the target before every flash.