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How to Install Ubuntu 20.04 using USB as bootable drive.
Ubuntu 20.04.1 (codenamed Focal Fossa) is a free, open-source distribution of Linux, based on the Debian operating system. 18.04 was released in April 2018 and it is an LTS (long-term support) version publicly supported until 2023.
In 2020, Ubuntu 20.04 was succeeded by Ubuntu 20.04.1 as the latest LTS version.
In this tutorial, you will learn how to install Ubuntu 20.04.
Prerequisite:
Step 1: Download Ubuntu 20.04 ISO File
4. It will take a couple of minutes to download the .iso file. Once it is done, move on to creating a bootable USB or DVD.
Step 2: Create a Bootable USB
The next step is to create a way to transfer the installation package to your system. You will want your computer to boot from the USB on which the package is on. To do that, you need to create a bootable USB.
This process requires at least a 2GB flash drive and software that creates bootable USB flash drives. There are many options to choose from (Rufus, UUI, UNetbootin, PowerISO, and so on).
For this example, we are going to use Rufus, as it is much faster than the alternatives out there. It is also free and open-source.
1. Download Rufus from the official website. Navigate to the webpage and scroll down to the Download section.
2. You will find a list of the latest updated versions. Today, these include Rufus 3.5 and Rufus 3.5 Portable or other available versions. Click on either one of the first two, choose to Save and then Run the file.
3. A pop-up screen will ask you if you want Rufus to check for application updates online. Click on No.
4. Now, Rufus will open and should appear as in the image below:
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6. Next, in the Boot selection, click on the Disk or ISO image option in the drop-down menu and then on select to find the iso file.
Step 3: Boot from USB
1. Switch off your computer/laptop and remove all other USB devices (like printers, memory cards, etc.).
2. Insert the bootable USB and switch on the computer.
3. Next, one of two things will happen:
- The computer will automatically boot from the USB if our BIOS/UEFI is set up correctly.
- You need to set up boot from USB manually, through the Boot Menu or BIOS/UEFI.
Boot USB from Boot Menu
As the computer is switching on, you can access the Boot Menu by pressing the correct key (or combination of keys). The keys that take you to the required menu depend on the brand of computer. This is the list of common keys based on the brand:
| Asus | F8 or Esc |
| Acer | F12, F9 or Esc |
| Compaq | F9 or Esc |
| Dell | F12 |
| eMachines | F12 |
| Fujitsu | F12 |
| HP | F9 or Esc |
| Lenovo | F8, F10 or F12 |
| Samsung | F2, F12 or Esc |
| Toshiba | F12 |
If you are unable to boot from the USB this way, try doing it by opening BIOS/UEFI.
Boot USB from BIOS/UEFI
Just as accessing the Boot Menu, to open the BIOS/EUFI you need to hit the correct keys that correspond to the computer brand. The list of common keys for accessing the BIOS/UEFI is:
| Asus | F9 or Del |
| Acer | F2, F9 or Del |
| Compaq | F10 |
| Dell | F2 |
| eMachines | Tab or Del |
| Fujitsu | F2 |
| HP | F10, F11 or Esc |
| Lenovo | F1 or F2 |
| Samsung | F2 |
| Toshiba | F1, F2, F12 or Esc |
Once you access the BIOS/UEFI, find the Boot Device Select Menu and set the USB as first in the Boot Order. With this configuration in place, your computer will boot from the USB (if possible). If there is no bootable flash drive present, it will run the OS from the hard drive, as per usual.
Note: Make sure to disable legacy mode or secure boot, if your system has this option.
Note: If you have a dual boot machine, you can set up Ubuntu along with your existing operating system. In this case, you will need to select Something else and create the partitions.
Step 4: Run Ubuntu
When you have successfully managed to boot the system from the USB, a Welcome screen will appear as in the following image:
The welcome screen offers you two options:
- Try Ubuntu directly from the USB/CD drive, without installing
- Install Ubuntu
Step 5: Install Ubuntu 20.04
1. To install Ubuntu 20.04, click the Install Ubuntu button and an installation wizard will appear.
2. First, choose a language for the keyboard layout and click on Continue. In this example, we opted for English.
3. Next, select whether you want the Normal or Minimal installation. The difference is the number of apps it includes.
Also, you can choose if you want the system to Download updates while installing Ubuntu (which is recommended) and Install third-party software (optional).
Once you have decided, click on Continue.
4. The wizard will ask you what kind of installation type you want to perform.
If you have backed up all your data, we recommend choosing to Erase disk and install Ubuntu. Again, be aware that this will delete all data on your underlying operating system.
Finish by clicking on Install Now.
5. A pop-up window will inform you what kind of changes it will make to your disk. Click on Continue to agree to the changes and erase any existing software on your drive.
6. Next, it will ask you for your location (time zone). Select the appropriate one and press Continue.
7. In the next section, type in the required information, such as username and password for the root user. Then, hit Continue.
8. With this, the official installation begins.
9. Once the installation is complete, the following message will appear. Take out the USB and Restart the system, as suggested.
10. If you see this screen below after restarting, congratulations! You have successfully installed Ubuntu 20.04.
Conclusion
After reading this tutorial, you now know how to install Ubuntu 20.04. Now you’re ready to explore all the possibilities of this free, open-source operating system.
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