Have you ever found yourself in a situation when your machine fails to boot after upgrading to a new version of Ubuntu? It can be quite frustrating when your device gets stuck in an installation loop and is unable to get to the login screen. This type of issue is often caused by the "grub-efi-amd64-signed failed to install" error. Luckily, this type of issue has a simple fix and can be resolved quickly.
In this guide, we will explain how to solve the "grub-efi-amd64-signed failed to install" error. We will explain what this problem is, which tools you need to fix it and provide a step-by-step guide on how to do so.
What is the “grub-efi-amd64-signed Failed to Install” Error
The "grub-efi-amd64-signed Failed to Install" error occurs when you try to install or upgrade Ubuntu from an external drive, such as a USB flash drive. This issue is known to occur on both 64-bit and 32-bit versions of Ubuntu.
The reason for this issue is the lack of a valid Grub bootloader on the installation drive. If your device does not recognize the Grub bootloader, it will prevent the installation from continuing.
What You Need to Fix the “grub-efi-amd64-signed Failed to Install” Error
To fix the "grub-efi-amd64-signed Failed to Install" error, there are a few things you need before you start.
- An external drive with a valid Grub bootloader
- A computer with an internet connection
- Download the Boot Repair Tool
- A software that can mount the external drive containing the Grub bootloader
Step-by-Step Guide to Fix the “grub-efi-amd64-signed Failed to Install” Error
- Download and install the Boot Repair Tool on your computer. This tool will help you repair your installation drive.
- Mount the external drive containing the Grub bootloader to your computer.
- Run the Boot Repair Tool and follow the instructions to fix the "grub-efi-amd64-signed Failed to Install" error.
- When the repair process is complete, try to re-install or upgrade Ubuntu again.
FAQs
Q: What is the “grub-efi-amd64-signed Failed to Install” Error?
A: The “grub-efi-amd64-signed Failed to Install” error occurs when you try to install or upgrade Ubuntu from an external drive, such as a USB flash drive, when the installation drive does not contain a valid Grub bootloader.
Q: What do I need to fix the “grub-efi-amd64-signed Failed to Install” Error?
A: To fix the “grub-efi-amd64-signed Failed to Install” error, you need an external drive with a valid Grub bootloader, a computer with an internet connection, the Boot Repair Tool, and software that can mount the external drive containing the Grub bootloader.
Q: How can I fix the “grub-efi-amd64-signed Failed to Install” Error?
A: To fix the “grub-efi-amd64-signed Failed to Install” error, you need to download and install the Boot Repair Tool, mount the external drive containing the Grub bootloader, and then run the Boot Repair Tool. Once the repair process is complete, try to re-install or upgrade Ubuntu again.
Q: What happens if I can’t get the Boot Repair Tool to work?
A: If you cannot get the Boot Repair Tool to work, you can try manually reinstalling Grub by using a Live CD. This option requires more technical knowledge and experience and is considered more difficult than using the Boot Repair Tool.
Q: Will the “grub-efi-amd64-signed Failed to Install” Error occur again?
A: This type of error is typically caused by a lack of a valid Grub bootloader on the installation drive. If you have resolved the issue by installing a valid Grub bootloader, the error should not occur again.