Installing UEFI on Debian: from beginner to proficient

php Xiaobian Xigua will show you how to install UEFI in Debian, from entry to proficiency. UEFI (Unified Extensible Firmware Interface) is a new generation of computer firmware interface standard that replaces the traditional BIOS (Basic Input Output System). UEFI provides better system startup and management capabilities, and supports larger capacity hard drives. This article will introduce in detail the steps and precautions on how to install UEFI under the Debian operating system, allowing you to easily master UEFI installation skills.

Preparation

Before you start, you need to ensure that your system meets the following conditions:

1. 64-bit (x86_64) Debian version.

2. At least 2GB of RAM.

3. Have at least 10GB of free disk space.

4. Hardware that supports UEFI boot.

Install UEFI

1. Update system: Make sure your system is up to date. You can update it with the following command:

```sql

sudo apt-get update

sudo apt-get upgrade

```

2. Install UEFI boot loader: UEFI requires a boot loader to start, in Debian On, you can use `grub-efi-amd64` or `grub-efi-x32`, which can be installed through the following command:

```arduino

sudo apt-get install grub- efi-amd64

3. Configure UEFI boot items: After installing the boot loader, you need to configure the UEFI boot items. You can open the UEFI configuration file with the following command:

``` bash

sudo nano /etc/default/grub

Find the lines `GRUB_CMDLINE_LINUX_DEFAULT` and `GRUB_CMDLINE_LINUX` in the file, make sure they contain `quiet splash` and do not have `legacy_mode` or `legacy_boot` option, then save and close the file.

4. Update bootloader: After completing the configuration, you need to update the bootloader to apply the changes. You can update it with the following command:

sudo update-grub

5. Restart your computer: Restart your computer and press the F12 key (or the corresponding key, depending on your computer brand) during startup to enter the UEFI menu, select the Debian entry and press Enter to boot, if you The computer enters the Debian desktop environment or login interface, then you have successfully installed UEFI.

Frequently Asked Questions and Solutions

If you encounter problems during the installation process, here are some common problems and solutions:

1. Insufficient disk space: Make sure you have Sufficient disk space for installation, if there is insufficient disk space, you can free up space by deleting unnecessary files or partitions.

2. Missing dependencies: If an error about missing dependencies occurs during the installation process, you can install the missing dependencies through the following command:

sudo apt-get install -f

3. Bootloader error: If you cannot enter Debian when booting, it may be that the bootloader configuration is incorrect. You can try to use another bootloader or reconfigure the bootloader.

4. UEFI is not supported: If your computer does not support UEFI, you may need to use the traditional BIOS boot method for installation. In this case, you may need to use an operating system that supports traditional BIOS boot. installation disk to install.

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