How is uefi different? How to disable Secure Boot protection in BIOS with UEFI support

UEFI (Unified Extensible Firmware Interface) technology, like BIOS, is an interface to the computer's firmware and provides communication between it and the operating system. Like BIOS, the UEFI interface (also referred to in Russian-language computer journalism as UEFI) is used to initialize computer hardware components and start operating system, stored on the hard drive.

UEFI positioning diagram in the generalized structure of interaction between PC components.

BIOS reads information from the first sector hard drive, which contains the master boot record (MBR) and selects the boot device where the operating system resides. Since BIOS is very old system, operating since the mid-1970s, it still operates in 16-bit mode. This circumstance limits the amount of information that can be read from the system ROM (computer read-only memory).

UEFI performs the same task, but does it a little differently. It stores all information about initialization and booting of the system in a special file located on the hard drive in a special ESP (EFI System Partition) section. In addition, the ESP contains boot programs for the operating system installed on the computer.

The process of booting a computer based on UEFI and emulating the traditional Legacy BIOS

UEFI is intended to be a complete replacement for BIOS and offers many new features and improvements that cannot be implemented in BIOS:

1. No restrictions on the volume of sections and their number. To store information about the hard drive, BIOS uses the master boot record (MBR), while UEFI uses the so-called GPT (GUID partition table). The main difference between the two is that MBR uses 32-bit elements, which allows the system to have only 4 physical disk partitions, and each partition can be no more than 2 terabytes in size. As for GPT, it has 64-bit elements, which allows the system to have up to 128 partitions up to a zettabyte (10 21 bytes) in size.
2. Speed ​​and performance. Since UEFI technology does not depend on a specific platform, it can reduce boot time and increase the speed of the computer, especially if the system has large hard disks.
3. Safety. The biggest advantage of UEFI over BIOS is security. It is implemented using Secure Boot technology supported by the operating system. Windows system 8. Because Secure Boot has the ability to request a digital signature from boot programs, UEFI allows only authenticated drivers and services to be used at boot time. Secure Boot controls the boot process until the operating system is completely loaded. This ensures that no malware gets into your computer during boot.
4. Backward compatibility. For backward compatibility, most UEFI implementations on PC architecture computers also support Legacy BIOS mode for MBR drives. For this purpose, UEFI has a CSM (Compatibility Support Module) function. In the case of an MBR disk, booting is performed in the same mode as in BIOS-based systems. It is also possible to boot BIOS-based systems from GPT drives.
5. Network boot support. UEFI can boot over the network using Preboot eXecution Environment (PXE) technology. This technology supports major network protocols such as IPv4 and IPv6, UDP, DHCP and TFTP. Booting from boot images stored in network storages is also supported.
6. Download manager. The UEFI standard defines a boot manager as a tool designed to load the operating system and all the necessary drivers. Operating system loaders are stored in files that can be accessed by firmware. UEFI supports FAT32 file systems, as well as FAT16 and FAT12 for removable media. UEFI independent boot sectors, although ESP makes room for them for backwards compatibility purposes. Bootloaders are automatically detected software UEFI, which allows booting from removable media.

History of the technology

EFI BIOS technology was originally developed by Intel. The UEFI standard is currently being developed by the UEFI Forum.

The initial motivation for the development of EFI was the BIOS limitations, such as 16-bit processor mode, 1 MB of addressable memory space, which were unacceptable for serious server platforms such as Itanium. An attempt to fix these problems in 1998 was initially called the Intel Boot Initiative and later renamed EFI.

In 2005, Intel suspended development of the EFI standard at version 1.10 and handed it over to the Unified EFI Forum, which developed the standard into the UEFI version. At the same time, Intel continues to remain the owner of the original EFI BIOS standard, issuing licenses for products based on EFI technology. UEFI 2.1 was released in January 2007. It added data encryption, network authentication, and User Interface Architecture technology. The current version of the UEFI 2.4 standard was adopted in July 2013.

Criticism of UEFI

UEFI is sometimes criticized, in particular by advocates of information rights. For example, computer expert Ronald G. Munnich, one of the developers of the alternative open boot technology Coreboot, denounces EFI as an attempt to limit a user's ability to fully control their computer. In addition, he believes that this technology does not solve any of the long-standing problems traditional BIOS, in particular, the need for two drivers - one for the firmware, the other for the operating system.

Conclusion

UEFI is a technology that has both many advantages and disadvantages. To date, it is not yet widespread and is not supported by all computers and other devices. Having a boot manager built into UEFI means there is no need for separate bootloaders. In addition, this technology can work in conjunction with the BIOS (in compatibility mode - Legacy BIOS) and independently of it. At the same time, the BIOS can still be used where large amounts of data are not required to be stored, and the security issue is not extremely pressing.

Computers are developing more and more every day and this allows them to work even better and more reliably. Many have probably already heard about BIOS, and if you have already installed Linux, then you probably know what it is and have already had setup experience. You've probably noticed that the BIOS is difficult to configure and use. This is low level software and has remained unchanged for the past two decades. Because of this, BIOS technology can now be considered outdated and in need of replacement.

The new system - UEFI will eventually replace the BIOS, but, like most new technologies, its implementation is moving very slowly and for a long time. Users are missing out on the importance of a low-level operating system, which is exactly what UEFI is trying to address. In this article we will look at the difference between uefi and bios, try to find out which is better, bios or uefi, and also determine which is better to use.

BIOS stands for Basic Input / Output System or in Russian - basic input and output system. This is low-level software that provides a layer between the computer hardware and the operating system.

The BIOS starts as soon as you turn on the computer, checks and tests the hardware, and then loads the operating system boot loader.

The BIOS board is built into every motherboard and, in addition to preparing BIOS hardware, can be useful in a number of other cases. Since BIOS is independent of the operating system, you can access its settings without having the OS installed. In addition, you can configure various hardware parameters - processor and memory frequencies, operating voltage, latency, and so on. This allows you to fine-tune your computer and get maximum performance.

Generally speaking, this is all that the BIOS does, there is only a pseudo-graphical interface, key controls and only hardware settings. The BIOS bootloader takes from the master boot record - MBR, and there can only be one bootloader. Naturally, there can be no talk about choosing a bootloader.

What is UEFI?

UEFI, or Unified Extensible Firmware Interface, is based on EFI - a development by Intel, which is designed to replace BIOS. The EFI standard has been developed over the past few years and has already begun to gain more popularity as manufacturers begin to use it on their devices instead of outdated BIOS technology.

UEFI supports all the features that were implemented in the BIOS, as well as many new features, which makes it the best solution for use on modern computers.

Here, in addition to initializing the equipment, reading settings from non-volatile memory and launching the bootloader, a large number of functions are supported. We can say that this is a low-level operating system. This is the main difference between bios and uefi. There is support for hardware drivers, and hence support for a mouse and graphics card; there is also a full-fledged console with support for launching applications, networking, and working with equipment. To the point where you can not only copy and move files on supported file systems, but also play discs or music if supported by EFI programs.

Although it has a significant advantage over BIOS, UEFI has some limitations on 32-bit processors. 64-bit processors fully support UEFI, but 32-bit processors do not support some functions and the operating system must emulate for them BIOS environment to work properly.

On many devices you can now use two legacy bios or UEFI modes. During this many useful features are lost. CPU makers and operating system developers are working together to fix this problem, and they're doing a good job.

Determining the UEFI or BIOS used on your computer is very simple; you can simply look at the computer's setup interface before booting. I think you will already understand everything here.

Which technology is better?

The old BIOS technology has been the industry standard for the past twenty years and during this time it has not seen many changes due to limitations such as only one megabyte of memory, 16-bit instructions and an MBR disk partition table that supports maximum 2 TB hard drives. and no more than four sections. Twenty years ago this was quite enough, but by modern standards such restrictions are too strict.

In addition, the flexibility of UEFI is necessary for technologies available now or those that will become available in the future. The BIOS limit of one megabyte created a lot of problems for hardware developers, but now there is definitely enough space to load device drivers.

UEFI is modular and, thanks to the GPT partition table, can support 128 partitions up to 8 exabytes in size. It also provides tighter integration with the operating system. A very important component of UEFI is increased security. This is an important difference between bios and uefi. Users can only install registered operating systems. Each operating system is given a key built into its boot loader, and the UEFI system reads that key and compares it to its database. If this key is not in the database, the operating system will not be allowed to boot. This could cause many problems with Linux distributions, but the problem has been resolved. In addition, users can add keys to the database themselves.

Thanks to the modular structure of UEFI, new features can be added later and thereby expand the existing system. This makes such a system more promising and easier to use.

Newer UEFI systems are much easier to use and have a full graphical interface with a mouse pointer and intuitive menus. You get the opportunity to configure everything very simply. In addition, manufacturers motherboards can develop various UEFI software modules that will allow easy testing of various hardware.

Overall, when comparing UEFI and BIOS, the former wins due to its modularity, extensibility, as well as independent drivers and ease of use. It will be some time before users can choose BIOS or UEFI and the new technology will slowly replace the old one. More and more manufacturers are using UEFI on their boards and computers, and 32-bit processors are being used less and less. But as with all advancements in computing, the transition to UEFI will take a long time. You now know the difference between uefi and bios and can make the right choice when buying a new device.

Hello, dear readers! Today we will talk about one seemingly complex topic, which will sound like this: UEFI Boot - what is it? and how to disable UEFI in BIOS.

Of course, for the average user, all these names and abbreviations mean nothing, but nevertheless, when buying modern desktop computers and laptops, you will still come face to face with these concepts.

Yes, friends, this is the same settings section on a blue background, which you can enter at the very beginning when you turn on the computer. Here's a picture to refresh your memory:

Many more enthusiasts here have tried to play with the voltage and frequency of the main processor in order to increase the power of their machine. So, the BIOS microprogram was replaced by another, more modern one.

And as you already understood, it is called UEFI. Among the new innovations in it, we can note support high resolutions screen, very large disks and working with a mouse.

If you read all the lines above and did not understand anything at all, then watch a short video to reinforce the topic:

So, it should definitely be said that a full-fledged UEFI system is not yet implemented in all modern computers. But some of its new functions, hitherto unseen, have been successfully implemented into the old BIOS shell.

And one of them is the so-called UEFI Boot (full name Secure Boot). The purpose of its work is to prevent substitution of the system boot source, thereby reducing the use of unlicensed software.

That is, the picture turns out to be such that now we will not be able to boot, for example, from a flash drive or a third-party drive. Indeed, in this situation, they simply will not be in the list of available devices:

But really, decide this problem it is possible and very easy. To do this you need to make a couple of settings and that’s it. So let's get to work. So to speak, enough theory.

And in order to disable UEFI functions in the BIOS, you must immediately enter it. As mentioned above, to do this you need to press a certain key combination immediately after turning on the computer.

Thus, we disabled the main UEFI protection function from third-party bootloaders. Then you should go to the “Boot” section and set the parameters as in the screenshot below:

After this, we should have a list of available devices. Now, by changing their position in the list, you can manipulate download sources. Again, using the author’s example, this can be done with a keyboard shortcut Fn+F5/F6:

Well, after all the parameters have been entered, all that remains is to save the changes. This is done in the "Exit" menu by selecting "Exit Saving Changes":

That's all, my friends, now you know exactly the answer to the question: UEFI Boot - what is it and how to disable UEFI in the BIOS. If you have any questions, feel free to ask them in the comments.

Well, if you suddenly want to learn more about UEFI BIOS, then watch a short video where this topic is covered more widely.

Many of the modern brands producing PC hardware components, as well as software, strive to ensure that their products support the UEFI interface. This software solution is intended to become an alternative to the input-output system - BIOS - that is familiar to many computer enthusiasts. What are the specifics of the software in question? What nuances are typical for using its capabilities?

What is UEFI

Let's look at some basic information about UEFI. What kind of development is this? UEFI is a special interface that is installed between the OS installed on the computer and the software responsible for the low-level functions of the PC hardware components.

Sometimes referred to as UEFI BIOS. On the one hand, there is some error in this name, since BIOS is a software solution that operates on different principles. UEFI is developed by Intel, BIOS is software that exists in several versions supported by different brands.

On the other hand, the purpose of BIOS and UEFI is almost the same. BIOS UEFI is a formal, not entirely correct phrase, but it does not contradict the logic of software and hardware algorithms for PC control.

Differences between BIOS and UEFI

But the first thing we will pay attention to is finding the differences between a “clean” BIOS and a “classic” UEFI. The fact is that the software solution we are considering is positioned as a more advanced alternative to BIOS. Many manufacturers of modern computer motherboards are trying to provide support for the appropriate type of software from Intel. Thus, we can trace the differences between UEFI and BIOS by studying, first of all, the shortcomings of the second system.

The first disadvantage of BIOS is that this system cannot provide full use disk space on very large hard drives - those that exceed 2 terabytes in volume. Indeed, just a few years ago such values ​​characterizing the capacity hard drives, seemed fantastic, and therefore PC manufacturers did not particularly focus on the corresponding BIOS drawback. But today you won’t surprise anyone with a hard drive with a capacity of more than 2TB. PC manufacturers began to feel that it was time to switch to UEFI, that this was an objective necessity based on modern technological trends.

Another feature of BIOS is that it supports a limited number of primary partitions on the hard drive. In turn, UEFI works with 128. The structure of the new software solution from Intel implements a new partition table - GPT, which, in fact, allows you to use the noted technological advantage of UEFI.

With all the noted differences between the new software environment developed by Intel and the traditional BIOS input/output system, the main functions of the corresponding solutions are generally the same. Apart from the fundamentally new security algorithm in UEFI, there are not too many actual differences between the systems. Some experts believe that the new software platform allows operating systems to boot faster, others note that this is only relevant for Windows 8. Let's take a closer look at the security system implemented in UEFI.

New security technology

Where the new UEFI BIOS system is ahead is in the level of security. The fact is that there are viruses that can penetrate the microcircuit where the BIOS algorithms are written. After which, it becomes possible to load the OS with extended user rights, which opens up the widest possible opportunities for a hacker. In turn, the new solution from Intel implements secure boot - UEFI provides an appropriate algorithm called Secure Boot.

It is based on the use of special keys, which must be certified by the largest brands in the IT market. However, as experts note, in practice there are not too many such companies yet. In particular, with regard to the support of the corresponding option by operating system manufacturers, it is fully provided only by Microsoft and only in Windows 8. There is also information that compatibility with the new security system is implemented in some Linux distributions.

Benefits of UEFI

It is obvious that the noted disadvantages of the BIOS are, at the same time, the advantages of the new software solution. However, UEFI is characterized by a number of other important advantages. Let's look at them.

First of all, it is a convenient, intuitive and functional interface. As a rule, it implements mouse support - which is not typical for BIOS. Also, many versions of UEFI (BIOS does not have this option either) provide a Russified interface.

The algorithms provided by the new software solution allow loading operating systems in most cases significantly faster than when using BIOS. For example, Windows 8 installed on a UEFI-enabled computer can boot—provided the processor and other key hardware components have adequate performance—in literally 10 seconds.

Among other significant advantages of the software solution in question, which many IT specialists highlight, is a simpler update algorithm compared to BIOS mechanisms. Another useful UEFI option is that a given system has its own, which can be used if several operating systems are installed on the PC.

So, the technological advantages of the new PC management software interface, which was developed by Intel, are clear to us. The largest brands of PC hardware components ensure compatibility of the corresponding hardware with UEFI - Gigabyte, ASUS, SONY. The transition to a new system, as many IT experts believe, can turn into a sustainable technology trend. The opportunities offered to the global IT community by Intel, which developed UEFI, may well be attractive to leading manufacturers of software and hardware components for PCs. Moreover, the corresponding UEFI technological options are supported by the largest brand in the operating system market.

Facts about Secure Boot

Let's take a closer look at the advantages of Secure Boot technology supported by UEFI. What is this concept? safe booting of the computer, which is designed to protect the system, as we noted above, from the penetration of viruses. However, for its full use, the keys used by this protocol must be certified. At the moment, very few software brands satisfy this criterion. Among these is Microsoft, which has implemented support for the corresponding algorithms in Windows 8.

It may be noted that this circumstance in some cases can complicate the installation of other operating systems on a PC running UEFI. If you have to Windows installation- UEFI can still show some loyalty to this - but on condition that the OS version is as close as possible to the one installed by the computer manufacturer. It may also be noted that some Linux distributions are also compatible with the Secure Boot option.

But even if, due to the function in question, loading a new OS is prohibited by the system, the structure of the UEFI interface provides the ability to disable Secure Boot algorithms. It is clear that in this case, loading the OS will not be so safe, however, the corresponding option can be reactivated at any time and start working with Windows 8.

Which OS are fully UEFI compatible?

In very rare cases, individual IT specialists manage to install alternative operating systems on a PC with Secure Boot support. For example, it is known that it is theoretically possible to install Windows 7 on some laptops that support UEFI BIOS. ASUS is among the manufacturers of such PCs. But this is rather an exception to the rule. In general, the probability of successful installation of even other Windows editions 8. However, as we noted above, some Linux distributions are also compatible with UEFI options.

Features of UEFI setup

Let's look at some of the nuances of setting up the software solution in question from Intel. An interesting option is BIOS emulation using UEFI. What is this opportunity? Indeed, some versions of UEFI implement algorithms by which PC management is organized in accordance with the mechanisms used by the input/output system, which is the historical predecessor of UEFI.

Depending on the specific PC, this mode may be called differently. Most often this is Legacy or Launch CSM. However, there are no difficulties with how to install UEFI in standard boot mode.

Nuances of accessing UEFI

Another interesting fact that is useful to note is that there are a large number of versions of UEFI. They can vary significantly between PCs made by different brands. At the same time, the level of availability of certain functions on different computers can also vary significantly. It often happens, for example, that when the computer boots, the menu with which you can enter the UEFI settings is not displayed. But in this case, Windows OS usually provides an alternative option for downloading the necessary options. You need to go to “Settings” and activate the “Special boot options” option.

After this, you can reboot - and several options for loading your PC will appear on the screen. Eat alternative way provide access to the appropriate UEFI options. It works on many PCs. You need to press Esc at the very beginning of the computer boot. After this, the menu in question should open.

Specifics of operation in different modes

Please note that when changing the normal UEFI operating mode to Legacy, it is advisable to use the necessary programs that require disabling Secure Boot or working with BIOS emulation, and re-enable the UEFI interface with all the corresponding options as soon as possible. Otherwise, Windows 8, as some IT specialists note, may not start. However, many PCs do not have this problem. Some manufacturer brands implement algorithms into the PC management structure that allow you to activate the UEFI mode automatically. Some PC models implement a hybrid mode, in which the UEFI system boots from any media, and BIOS modulation can be started if necessary. Differences in UEFI versions may also suggest that disabling Secure Boot in the normal operation mode of the Intel software solution is impossible. To do this, you will have to activate the BIOS emulation function in any case.

UEFI and bootable flash drives

In some cases, users need to boot the operating system from a flash drive. The main difficulty is that a UEFI bootable flash drive having a format other than FAT32 is not recognized. But this problem can be successfully resolved. How?

So, by default, bootable USB flash drives for Windows are formatted in a format that UEFI does not recognize. Therefore, the main task is to ensure that the corresponding hardware component is formatted in the more universal file system - FAT32. The most interesting thing is that many IT specialists consider it outdated. But using the example of one of the most modern software solutions, which, of course, is UEFI, we can trace the relevance of the corresponding standard.

Flash drive for booting in UEFI mode: components

What do we need to ensure that the UEFI bootable flash drive is recognized without problems? First of all, this is, in fact, a USB drive itself. It is advisable that its capacity be at least 4 GB. It is also advisable that no valuable files be placed on it, since we have to completely format the flash drive. The next component we need is a Windows OS distribution. Let it be 64-bit Windows version 7. Another feature of UEFI that should be mentioned is 32-bit OS from Microsoft given the system does not support.

Preparing a flash drive

If we have the marked components, then we can start working. First we insert the flash drive Then we open it command line V Windows interface. It is necessary, however, that the user have administrator rights. Through you need to launch the DISKPART program - simply by entering this word. After this, you need to enter the list disk command, which will display a list of disks present in the system. You need to find a USB flash drive in it. If it is number 2 in the list, then you need to enter the command select disk 2.

Formatting a flash drive

Next you need to format the media. To do this, you need to enter the clean command. After this, you need to create a primary partition on the disk. This can be done using the create partition primary command. After this, the created partition should be made active. To do this, enter the active command. After this, you can display a list of sections. To do this, enter list volume in the command line. We find the section that we created. If it is listed as number 3, then enter the command select volume 3. After this, you need to format it in the FAT32 system. To do this you need to enter format command fs=fat32. The basic bootable media is thus ready. But that is not all. You need to assign a drive letter to the flash drive. This can be done using the assign command. After that, enter exit and exit the command line.

Burning the distribution to a flash drive

After all the steps described above, you need to copy the Windows 7 distribution to a USB flash drive. This can also be done using the command line. How? There is a special command for this - xcopy. You need to enter it, then specify the address of the disk with the distribution kit, insert the * symbol, indicate the letter corresponding to the flash drive intended for loading into UEFI, and then enter the command with the symbols /s /e. Then you need to go through the command line to the flash drive. There you need to go to the efi\microsoft\boot directory. It needs to be copied to the efi\boot folder. After this, you need to copy the file called bootmgfw.efi to the efi\boot folder, and then rename it to the bootx64.efi file.

The work with the flash drive is completed. UEFI disk with file system FAT32, which we can just recognize without problems. Accordingly, you can install Windows 7 on a PC from it. Of course, provided that the Secure Boot algorithm is disabled in the UEFI options, which prohibits the installation of OSes that differ from Windows 8 on the computer.

Boot order, translated means the sequence or literally the boot order, if there are many boot options - from a hard drive, flash drive, network, CD/DVD drive, then you need to somehow sort them in order, and set the main one first, this will significantly reduce the startup time and booting the computer, because he does not have to go through all the boot options in search of the current one.

How to configure Boot order in BIOS

There are several settings options, menu items may have different names and be located in different places, but there are only two fundamentally different options:

1. The Boot order menu specifies specific devices that can be arranged in order
2. In the Boot order menu, the types of devices are indicated in order, and if there is more than one, there is an additional menu item in which specific devices can be arranged in order.

The first option is more common and a little easier to set up; you also need to find a menu with boot settings, usually it’s called Boot or Startup, this page displays the boot settings of a computer or laptop, their list depends on the manufacturer, in the example Boot order is called simply Boot but may have another name, go to it:

We see the Boot Priority Order menu and on the left there are instructions on how to change the order, in general, use the up/down arrows to select the desired item and use the + and - keys to raise it in the list or release it accordingly:

After setting, go to the previous menu; in the vast majority of BIOS, the exit is Esc. In the example, there is also the Boot Order Lock item - it is needed in order to fix the boot order and it did not change when connecting other devices from which booting is possible, indirectly it also increases the security of your device - an attacker will not be able to connect bootable USB flash drive and boot from it:

The second option is most often found on older computers, here in Boot Device Priority a list of device types is arranged - hard drives, flash drives, network, etc., and in the Hard Disk Drives item, which is not always nearby, you can configure the boot priority already from specific devices:

We configure, save the settings, reboot and check that everything works as it should. Below are a few more examples of where to look for the Boot Order setting; on very old computers this option is found:

We go to the Advanced BIOS Features menu, in the “Boot Order” rectangle - the first, second and, accordingly, third boot device, from the drop-down menu you need to select the type if there are several hard drives (flash drives are also often considered HDD) then in the very first paragraph - Hard Disk Boot Priority you can specify their priority:

The “Boot Order” item may be hidden in an unexpected place:

How to configure Boot order in UEFI

Setting up Boot Order in UEFI is not very different from that in BIOS, and is performed using almost the same algorithm.
We go into the BIOS UEFI, when you turn it on, a hint is usually displayed at the bottom of the screen on how to do this, for computers in 99% of cases this is F2 or DEL, for laptops there are more options Esc, F1, F2, F10, F11, F12 (sometimes you need to press them together with the Fn button) in general, try it. For me everything is simple, you can press F2 or DEL:

I click and get into UEFI, the interface for all manufacturers is more or less standardized and built on the same principle, immediately after entering UEFI you are taken to an information screen with general data about the computer and readings of the main parameters of temperatures, voltages, etc. Here you can immediately go to the Boot Priority menu and set everything up, but we’ll do it the old fashioned way - we’re looking for a way to switch to advanced mode, usually there’s either a corresponding button (indicated by an arrow in the picture below), or there’s a key at the bottom that can be used to switch to Advanced Mode in our case F7, press:

Here we select with the up-down arrows or the mouse - Advanced Mode

And we find ourselves in an extended menu, vaguely reminiscent of the BIOS, only richer in graphics, here we go to the Boot section and then to Hard Drives BBS Priorities:

and set the boot priority by selecting the desired hard drive from the drop-down menu next to each Boot Option item:

After the Boot Order setup is completed, click on Exit at the top, select Save Changes & Reset to save the settings and restart the computer:

We reboot and check that the download went immediately from the specified device, without wasting time polling the others.

In general, as you can see, there is no difficulty in setting up Boot Order, and with the help of this article you can easily fix problems with loading on your computer or laptop, if something doesn’t work out - write in the comments, preferably with a photo, I’ll tell you where to click .