Creating a bootable USB drive is a crucial skill for troubleshooting, installing, and repairing operating systems. Whether you\u0027re using Windows or macOS, knowing how to make a bootable USB drive can be incredibly useful. This guide will provide a step-by-step process for both operating systems.
Why Create a Bootable USB Drive?
Having a bootable USB drive can be essential for several reasons:
- Reinstalling or Updating the OS: You may need to reinstall or update the operating system.
- Repairing System Files: A bootable USB can help repair corrupt or damaged system files.
- Recovering Lost Files: You can use it to recover important files from a malfunctioning system.
Prerequisites for Creating a Bootable USB Drive
Before getting started, make sure you have the following:
- A USB drive with at least 8GB capacity.
- A computer with administrative privileges.
- Download the relevant OS ISO file.
Prerequisites Table
| Prerequisite | Details |
|---|---|
| USB Drive | At least 8GB capacity |
| Computer | With administrative privileges |
| OS ISO File | Downloadable from the respective OS website |
Creating a Bootable USB Drive on Windows
Step 1: Download the Tool
First, you need to download the Windows USB/DVD Download Tool from Microsoft\u0027s official website.
Step 2: Install the Tool
After downloading, install the tool by following the onscreen instructions.
Step 3: Open the Tool
Once installed, open the tool and insert your USB drive into your computer.
Step 4: Choose ISO File
Click on the “Browse” button and select the ISO file you want to use.
Step 5: Select USB Device
Choose “USB device” as the media type you want to use.
Step 6: Begin Copying
Click on “Begin copying” to start the process. This will format the USB drive and copy the necessary files to make it bootable.
Creating a Bootable USB Drive on macOS
Step 1: Download the ISO File
First, download the macOS installer from the App Store.
Step 2: Open Terminal
Next, open the “Terminal” app from the Applications folder.
Step 3: Locate the USB Drive
Identify your USB drive by typing diskutil list and note the appropriate disk number.
Step 4: Format the USB Drive
Type the following command to format the USB drive: sudo diskutil eraseDisk HFS+ USB /dev/diskN, replacing N with your disk number.
Step 5: Create the Bootable Installer
Type the following command to copy the installer files: sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/USB. Replace \”Catalina\” with your version of macOS.
Step 6: Confirm the Process
Follow the prompts to confirm the process and wait until the terminal indicates that the process is complete.
Final Steps
Once the USB drive is bootable, you can use it to install or repair your operating system. Insert the USB drive into your computer, restart it, and use the appropriate key (usually F12, Esc, or Option) to boot from the USB drive.
Troubleshooting Tips
- Check Compatibility: Make sure your USB drive is compatible with your computer.
- Verify the ISO File: Ensure that the ISO file is not corrupted by checking its hash.
- Format Correctly: Incorrect formatting can lead to an unbootable USB drive.
With this guide, creating a bootable USB drive on both Windows and macOS should be a straightforward process. This skill can be tremendously beneficial for troubleshooting and maintaining your computer\u0027s health.