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Build a Multi-Boot Rescue USB With Ventoy

One stick, several ISO files, a menu at boot. Ventoy turns a normal USB drive into a bootable library without rewriting it for every new image.

by@guidox updated:10/31/26 time:20 min level:Beginner tested on:Windows 11 24H2, Ventoy 1.1.x works on:Windows 10, Windows 11 tools:USB stick, Ventoy
TL;DR

Install **Ventoy** to the stick once, then copy **ISO files** onto it as normal files. The boot menu lists them all; adding an image later means copying one file.

Before you start

Requirements

  • An 8 GB or larger USB stick
  • Ventoy for Windows
  • The ISO files you want
Step by step

Instructions

01

Pick a stick you can erase

Ventoy writes its own boot loader and partitions. Every file on the stick goes away, so transfer anything you want to keep before you start.

⚠ warningUse a USB 3 stick. Booting a 6 GB image from a slow drive takes minutes and feels like a hang.
02

Install Ventoy to the device

Run Ventoy2Disk, select the correct device and choose **Install**. The tool writes a small boot partition and a large exFAT data partition.

Ventoy2Disk.exe > Device > Install
⚠ warningCheck the drive letter and the size twice. The list also contains your internal disks and one wrong click erases a system.
03

Copy the images

Drag the ISO files onto the data partition like any other file. Keep the folder structure flat for the default menu, or use subfolders for category grouping.

E:\n  windows11.iso
  ubuntu-24.04.iso
  memtest86.iso
04

Handle Secure Boot once

On a machine with Secure Boot the stick shows a verification screen the first time. Enrol the key from that screen with the shown password, or disable Secure Boot for the session.

tipThe enrolment is per machine. A second PC asks again, which is normal and not a faulty stick.
05

Boot from the stick

Open the firmware boot menu and choose the USB entry. Ventoy lists every ISO; pick one and it boots as if it were burned to the stick.

F12 / F11 / F8 depending on the board
06

Update without wiping

A newer Ventoy version installs with **Update** instead of **Install**, which keeps the partition layout and every ISO on it.

Ventoy2Disk.exe > Update
Troubleshooting

Common issues

The stick does not appear in the boot menu

Secure Boot or the USB boot entry is disabled. Check the firmware for a USB boot option and try a rear port.

An ISO boots to a black screen

The image expects a different boot mode. Switch between UEFI and legacy in the firmware, or test the same file in a virtual machine.

Windows setup cannot find the disk

The installer lacks a storage driver. Load it from the same stick; keep the driver folder next to the ISO.

Ventoy refuses to install on the stick

The drive is write-protected or still mounted by another tool. Close disk tools and check the physical switch.

FAQ

Frequently asked

Can I still use the stick for files?

Yes. The data partition is normal exFAT storage, and the ISOs are just files on it.

Does every ISO work?

Most mainstream ones do. A few expect a specific burn layout; Ventoy offers a compatibility mode for those.

How to undo this

Run Ventoy2Disk and choose **Install** again with the option to clear, or format the stick in Disk Management. The data on it is lost either way.

Changelog · 1 entry
  1. 2026-10-31
    First version
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