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How To Boot Ubuntu in UEFI Mode on Dell Inspiron 15R SE

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In this comprehensive guide, we’ll walk you through the process of booting Ubuntu in UEFI mode on a Dell Inspiron 15R SE. The process involves configuring BIOS settings, creating a bootable USB drive for Ubuntu, and troubleshooting potential issues.

Quick Answer

To boot Ubuntu in UEFI mode on a Dell Inspiron 15R SE, you need to access the BIOS settings, disable Secure Boot and Intel speed step, disable Fast Startup in Windows 8, create a bootable USB drive for Ubuntu, and boot from the USB drive in UEFI mode. If you encounter any issues, try troubleshooting steps such as disabling Intel speed step, recreating the bootable USB drive, or switching to Legacy Boot mode. Updating your BIOS firmware may also help resolve any booting issues.

Prerequisites

Before we begin, ensure you have the following:

  • A Dell Inspiron 15R SE computer with Windows 8 or higher installed.
  • A USB drive with at least 2GB of storage.
  • Access to the Ubuntu ISO file. You can download it from the official Ubuntu website.

Step 1: Enter BIOS Settings

First, you need to access your computer’s BIOS settings. Restart your computer and press the F2 key (or the NOVO button, if available) during startup to enter the BIOS settings.

Step 2: Configure BIOS for UEFI Boot

In the BIOS settings, navigate to the Boot options. Here, you need to ensure that the Secure Boot option is set to Off. This is because Secure Boot prevents unauthorized operating systems from running at boot time.

Next, disable the Intel speed step option if it’s enabled. This feature adjusts the speed of the processor based on the current workload, and it can cause issues when booting Ubuntu in UEFI mode.

Step 3: Disable Fast Startup in Windows 8

Fast Startup is a feature in Windows 8 that can interfere with the boot process of other operating systems. To disable it, follow these steps:

  1. Open the Control Panel and select Power Options.
  2. Click on Choose what the power buttons do.
  3. Click on Change settings that are currently unavailable.
  4. Under Shutdown settings, uncheck the Turn on fast startup option.

Step 4: Create a Bootable USB Drive for Ubuntu

Now, you need to create a bootable USB drive for Ubuntu. You can use tools like Unetbootin or the Linux dd utility for this.

For Unetbootin, download and run the utility, select the Ubuntu ISO file, choose your USB drive, and click on OK to create the bootable drive.

For the Linux dd utility, use the following command:

sudo dd if=/path/to/ubuntu.iso of=/dev/sdX bs=4M

In this command, if stands for input file (your Ubuntu ISO), of stands for output file (your USB drive), and bs stands for block size. Replace /path/to/ubuntu.iso with the actual path to your Ubuntu ISO file, and /dev/sdX with your USB drive.

Step 5: Boot from the USB Drive in UEFI Mode

Restart your computer and press the F12 key during startup to open the boot options. Select your USB drive to boot from it in UEFI mode.

Troubleshooting

If you encounter an infinite loop or freezing at the Dell logo, try the following:

  • Disable Intel speed step in the BIOS settings.
  • Disable Fast Startup in Windows 8.
  • Recreate the bootable USB drive for Ubuntu.

If these steps don’t work, switch to Legacy Boot mode in the BIOS settings and repeat the process.

If your computer still doesn’t boot from the USB drive, it could be a bug in Dell’s EFI implementation. In this case, try updating your BIOS firmware to the latest version. You can download the latest firmware from Dell’s official website.

Conclusion

Booting Ubuntu in UEFI mode on a Dell Inspiron 15R SE can be a complex process, but with the right preparation and knowledge, it’s entirely achievable. Remember to take each step slowly and read all instructions carefully. If you encounter any issues, don’t hesitate to seek help from Ubuntu’s official forums or Ask Ubuntu.

Can I boot Ubuntu in UEFI mode on a Dell Inspiron 15R SE with Windows 10 installed?

Yes, you can boot Ubuntu in UEFI mode on a Dell Inspiron 15R SE with Windows 10 installed. The steps mentioned in this guide are applicable to Windows 8 and higher versions.

Can I use a USB drive with less than 2GB of storage to create a bootable drive for Ubuntu?

No, you need a USB drive with at least 2GB of storage to create a bootable drive for Ubuntu. The Ubuntu ISO file itself is larger than 2GB, and you need enough space on the USB drive to accommodate it.

Is it necessary to disable Secure Boot in the BIOS settings?

Yes, it is necessary to disable Secure Boot in the BIOS settings to boot Ubuntu in UEFI mode. Secure Boot is designed to prevent unauthorized operating systems from running at boot time, and it can interfere with the boot process of Ubuntu.

What if I forget to disable Fast Startup in Windows 8?

If you forget to disable Fast Startup in Windows 8, it may interfere with the boot process of Ubuntu. It’s recommended to disable Fast Startup to ensure a smooth booting experience.

Can I use a different tool instead of Unetbootin or the Linux `dd` utility to create a bootable USB drive for Ubuntu?

Yes, there are other tools available to create a bootable USB drive for Ubuntu, such as Rufus or Etcher. These tools provide a user-friendly interface and can be used as an alternative to Unetbootin or the Linux dd utility.

What should I do if my computer freezes at the Dell logo after booting from the USB drive?

If your computer freezes at the Dell logo after booting from the USB drive, try disabling Intel speed step in the BIOS settings and disabling Fast Startup in Windows 8. If the issue persists, recreate the bootable USB drive for Ubuntu and try again.

Is it possible to switch to Legacy Boot mode if UEFI mode doesn’t work?

Yes, if UEFI mode doesn’t work, you can switch to Legacy Boot mode in the BIOS settings. However, keep in mind that Legacy Boot mode may have limitations and may not support all features of UEFI mode.

How can I update my BIOS firmware to the latest version?

To update your BIOS firmware to the latest version, you can download the latest firmware from Dell’s official website. Follow the instructions provided by Dell to install the firmware update correctly. It’s important to note that updating the BIOS firmware carries some risks, so proceed with caution and follow the instructions carefully.

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