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What is a Bootable Device?

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System Starter

A specialized device capable of starting a computer's operating system.

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Repair Toolkit

Contains essential installation files or emergency system repair tools.

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Common Example

The most frequent example used today is a Bootable USB drive.

Computer Fundamentals • Bootable Devices Guide

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What is an ISO File?

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Digital Clone

A complete digital copy (image) of an entire operating system.

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All-in-One

Contains every single file needed for a full system installation.

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Boot Maker

The essential "blueprint" used to create bootable USB drives or DVDs.

Computer Fundamentals • OS Installation Guide

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Uses of Bootable USB

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Fresh Install

Install a brand-new operating system on any compatible computer.

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System Repair

Fix corrupted files and repair systems that won't boot normally.

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Diagnosis

Troubleshoot hardware and software problems from a clean environment.

Computer Fundamentals • OS Maintenance Guide

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Tools for Creating Bootable USB

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Rufus

A lightweight, powerful tool for Windows to create bootable drives fast.

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Balena Etcher

User-friendly, cross-platform tool that ensures images are flashed correctly.

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Ventoy

Allows you to just copy ISO files to the USB and boot from them directly.

Computer Fundamentals • OS Installation Guide

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Steps in Creating Bootable USB

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Step 01

Insert USB drive into your computer.

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Step 02

Select the ISO file for the OS.

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Step 03

Start formatting the USB drive.

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Step 04

Wait until the process completes.

Computer Fundamentals • OS Installation Guide

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Activity Instructions

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1. Prepare Assets

Gather your USB drive (8GB+) and the OS ISO file.

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2. Select Software

Open Rufus, Balena Etcher, or your preferred tool.

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3. Follow Steps

Follow the flashing procedure carefully and patiently.

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4. Final Success

Verify the bootable USB is ready for installation.

Computer Fundamentals • OS Installation Guide