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Last updated on 2024年6月14日

What are the steps to boot your computer from a USB drive?

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Booting your computer from a USB drive can be a handy skill, especially when dealing with system repairs, installations, or simply running a different operating system. The process, while straightforward, requires you to delve into your computer's setup and change some settings. But don't worry, with a little guidance, you'll have your computer starting up from a USB drive in no time. Whether you're a seasoned tech enthusiast or a curious beginner, understanding how to boot from USB is a valuable addition to your computer networking skill set.

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Create a bootable USB:

Use tools like Rufus or Disk Utility to make your USB drive bootable. This involves selecting the ISO file and writing it onto your USB, ensuring it's ready for use.### *Modify BIOS settings:Enter the BIOS/UEFI by pressing keys like F2 or Del during startup and adjust the boot order. Move your USB drive to the top of the list, save changes, and exit to prioritize it

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Hafis Hassan

IT Administrator | CCNP | ITIL | MCSE
Michiel Kroeb

Gehele applicatie deployment cycle

1 Prepare USB

Before attempting to boot from a USB drive, ensure the drive has the necessary bootable files. This usually means having an operating system installer or a live OS environment. You'll need to create a bootable USB drive using tools that can write the ISO image file of the operating system onto the USB. This process varies depending on the software you choose, but it typically involves selecting the ISO file and the target USB drive within the tool and initiating the write process. Once completed, your USB drive is ready to use as a bootable device.

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Michiel Kroeb

Gehele applicatie deployment cycle
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To boot from a USB drive: Prepare USB: Insert the USB and use Rufus, UNetbootin, or Disk Utility (macOS) to make it bootable. Enter BIOS/UEFI: Restart and press the key (F2, F10, F12, Delete, Esc) to enter BIOS/UEFI. Set Boot Order: In BIOS, set the USB as the first boot device, save changes, and exit. Boot from USB: Restart. If it doesn't boot, press the boot menu key (often F12) and select the USB. Follow Instructions: Proceed with installation or use the live environment from the USB. Backup data before creating the bootable USB and check if your computer supports USB booting.

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2 Access BIOS

To boot from a USB drive, you must access the Basic Input/Output System (BIOS) or Unified Extensible Firmware Interface (UEFI) settings on your computer. These settings control the hardware of your computer before the operating system loads. Restart your computer and press the key to enter the BIOS or UEFI settings; this key varies but is often F2 , Del , F12 , or Esc . Timing is crucial here; press the key as soon as the manufacturer's logo appears. If you miss the window, restart and try again.

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ABDULAZEEZ JIMOH

Dynamic Professional | Expert in IT Support, Classroom Management, Marketing Strategies, and Industrial Machinery Troubleshooting and Electrical Repair | Proficient in Electrical Equipment Management and Procurement
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In my experience, you can contact your equipment manufacturer to know how to access the bios efficiently. That way, you can access the bios at ease.

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3 Change Boot Order

Once in the BIOS or UEFI settings, navigate to the boot order menu. This menu lists the devices that your computer can start from, such as the hard drive, CD/DVD drive, or USB ports. Using the designated keys, move your USB drive to the top of the list to prioritize it as the boot device. The keys for navigation and selection are usually displayed on the screen; they often include keys like + and - or arrow keys to change the order. After adjusting the boot order, save your changes and exit the BIOS or UEFI.

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4 Save and Exit

After setting the USB drive as the primary boot device, it's crucial to save your changes properly. Look for a key or an option within the BIOS or UEFI to 'Save and Exit'; this is often F10 or might be found in the exit menu. Selecting this will prompt you to confirm saving the changes. Once confirmed, your computer will restart. Make sure the USB drive is plugged in before saving and exiting, as the computer will immediately attempt to boot from it upon restart.

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5 Boot from USB

With the changes saved, your computer will attempt to boot from the USB drive during its next startup. You should see a new screen indicating that the computer is reading from the USB drive rather than the internal hard drive. If you've set up your bootable USB correctly with a live OS or installer, it will start loading. If it doesn't work, you may need to check the bootable USB creation process for errors or revisit your BIOS/UEFI settings to ensure everything is configured correctly.

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ABDULAZEEZ JIMOH

Dynamic Professional | Expert in IT Support, Classroom Management, Marketing Strategies, and Industrial Machinery Troubleshooting and Electrical Repair | Proficient in Electrical Equipment Management and Procurement
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Be cautious, some equipment manufacturers requires you to type an onscreen validation code to complete the bios setup process.

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6 Troubleshoot Issues

If your computer does not boot from the USB after following these steps, troubleshooting is necessary. Ensure that the USB drive is indeed bootable and that you've correctly created the boot media. Double-check that the USB drive is properly connected and recognized by your computer. Revisit the BIOS or UEFI settings to confirm that the boot order is correct and that no other settings, such as Secure Boot or Legacy Boot, are interfering with the process. If problems persist, consulting forums or seeking professional help may be necessary.

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Hafis Hassan

IT Administrator | CCNP | ITIL | MCSE
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Troubleshooting Tips USB Drive Recognition: Ensure your USB drive is correctly formatted and recognized by your computer. Disable Secure Boot: In some systems, you may need to disable Secure Boot in the BIOS/UEFI settings to allow booting from a USB drive. Legacy Mode: If your USB drive is not recognized in UEFI mode, try enabling Legacy Mode or Compatibility Support Module (CSM) in the BIOS/UEFI.

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ABDULAZEEZ JIMOH

Dynamic Professional | Expert in IT Support, Classroom Management, Marketing Strategies, and Industrial Machinery Troubleshooting and Electrical Repair | Proficient in Electrical Equipment Management and Procurement
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When booting from MBR partitions, it is required you disable secure boot and enable legacy option with your bot media set as the fist priority, likewise when booting from a GPT partition scheme it is also required you enable secure boot and disable legacy boot while setting your medium with the highest priority. NB. Booting from a disk drive doesn’t require a partition scheme for the disk. But some operating systems minimum requirement will required GPT scheme for the destination installation media.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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What are the steps to boot your computer from a USB drive?

1

2

3

4

5

6

7

1 Prepare USB

2 Access BIOS

3 Change Boot Order

4 Save and Exit

5 Boot from USB

6 Troubleshoot Issues

7 Here’s what else to consider

Computer Networking

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What are the steps to boot your computer from a USB drive?

1

2

3

4

5

6

7

1 Prepare USB

2 Access BIOS

3 Change Boot Order

4 Save and Exit

5 Boot from USB

6 Troubleshoot Issues

7 Here’s what else to consider

Computer Networking

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