Useful Tips

Download from a flash drive in BIOS


Already recorded a bootable USB stick, but don’t know how to boot from a flash drive? There is nothing complicated here. Booting Windows from a USB flash drive is very simple, and for this you only need to go into the BIOS and change one setting.

If you have not recorded a licensed digital copy of Windows, I recommend reading - How to make a bootable USB flash drive in UltraISO?

How to configure boot from flash drive?

If you just connect the USB-stick to a PC or laptop and reboot it, the installation of Windows will not start. After all, for this you need to enable the boot from the USB flash drive in BIOS.

This is done easily. But there is one caveat. The fact is that loading Windows from a USB flash drive on PCs and laptops is carried out in different ways. Firstly, it depends on the BIOS manufacturers. And, secondly - from the brand of the laptop (Asus, Acer, Samsung, Lenovo, HP, etc.).

Yes, the BIOS menu will always be different, and this can cause difficulties. But below we will look at a few examples so that you understand and can independently navigate the BIOS menu (in case you have another option).

So, let's begin. To enter the BIOS, you must immediately press a certain button on the keyboard when you turn on the computer or laptop. Which one? This can be found when loading on the screen.

In the picture above, we are interested in the line “Press DEL to run Setup”. This means that to enter the BIOS, you need to press the DEL button (you can several times in a row - for reliability). It can also be another key - F2, F10, Esc (depending on the brand of the laptop and the BIOS itself). Read more about it here: How to enter the BIOS?

You can find out that you entered the BIOS by seeing the corresponding menu in front of you. The following options are usually found:

So, you have entered the BIOS. What's next? And then you need to enable boot from the flash drive. To do this, find the option that is responsible for the order in which the devices are launched. As a rule, it is located in that menu item where the word Boot is present. For example:

In this case, the item “Boot” was selected, and then “Boot Device Priority” (ie the priority of starting devices). As a result, something like this will open:

As you can see, they are different, but in each case there are the lines we need - First (1st), Second (2nd) and Third (3rd) Boot Device. It indicates which device boots first, which second and third in turn. As a rule, the first is always the hard drive (HDD), and then the drive (CR-ROM).

When you connect the USB flash drive, the USB-HDD item will also appear. It is necessary to select the option - USB-HDD in the First Boot Device item. Example:

Next, you must save the changes, otherwise you will have to repeat everything from the beginning. Which button to save? This information is written at the bottom of the screen. For example, in the screenshot above: F10 - “Save”, ESC - “Exit”. We save the changes and exit the BIOS. Congratulations, BIOS setup for loading from a flash drive is completed.

The computer (or laptop) will automatically restart, after which the following line will appear:

Press any button and installation of Windows will begin.

If you have a UEFI BIOS then everything is simple

Go into BIOS and you will see something like this menu:

To configure the loading of the flash drive in UEFI, we are interested in the item “Boot Priority”. Drag and drop the USB device icon to the top of the list (so that it is the first) and exit (exit button in the upper right corner). Upon exit, the system will ask you whether to save the changes. You agree, after which the PC or laptop will reboot.

And finally, another very important point. When the decompression of Windows files is completed, the computer will restart.

After that, you need to go back into the BIOS and return to the previous priority of starting devices. That is, put the hard drive (HDD) in the first place, and the USB flash drive in the last place. There should be no problems with this.

In principle, you can not do this. In this case, when the black screen appears, NOTHING do not press.

Otherwise, the Windows installation will boot again, and you will install the operating system again.

But when Windows is installed, you still need to go into the BIOS and return to the previous priority of starting devices. Otherwise, the computer (or laptop) will always first download data from the USB flash drive (provided that it is connected).

Well, now you know how to install a boot from any flash drive in BIOS. As you can see, there is nothing complicated here. Next, the installation of the operating system will begin. You know how to install Windows, right? If not, then you can read the detailed instructions - Step-by-step installation of Windows 7.

Using Boot Menu to boot from flash drive

In most cases, installing a boot from a USB flash drive into a BIOS is required for some one-time task: installing Windows, checking your computer for viruses using LiveCD, resetting your Windows password.

In all these cases, it is not necessary to change the BIOS or UEFI settings, it is enough to call the Boot Menu (boot menu) when you turn on the computer and select the USB flash drive as the boot device once.

For example, when installing Windows, you press the desired key, select the connected USB drive with the system distribution, start the installation - setup, copy files, etc., and after the first reboot occurs, the computer will boot from the hard drive and continue the installation process in the factory mode.

I wrote in great detail about entering this menu on laptops and computers of various brands in the article How to enter the Boot Menu (there is also a video instruction there).

How to get into the BIOS to select boot options

In different cases, in order to get into the BIOS setup utility, you need to perform essentially the same actions: immediately after turning on the computer, when the first black screen appears with information about the installed memory or the logo of the computer or motherboard manufacturer, click the a button on the keyboard - the most common options are Delete and F2.

Press the Del key to enter BIOS

Typically, this information is available at the bottom of the initial screen: “Press Del to enter Setup,” “Press F2 for Settings,” and the like. By pressing the right button at the right time (the sooner the better - this must be done before the operating system starts loading) you will be taken to the BIOS Setup Utility menu. The appearance of this menu may vary, consider a few of the most common options.

How to boot from a flash drive

Insert the bootable USB flash drive into the USB port and restart the computer. Your main task at this stage is to change the boot priority so that the flash drive is launched first, and not the hard drive. This is done in two ways:

The first method is much more convenient, since it does not require subsequent return of the download from the hard drive. You only need to select a device (DVD or USB) from the list to start its download and press Enter. It looks something like this:

Press F10 and get into the boot menu:

However, on some older computers, the Boot Menu does not start, so just in case, let's take a closer look at the procedure for changing the boot priority via the BIOS. Open the Start menu and restart your computer. When the logo appears, you must press a certain key.

On some models of motherboards, not Delete is used to enter the BIOS, but the other key is F1, Esc, F10, Ctrl + Alt + S. There is a reasonable question - how do I find the right button? There are several ways:

  • Find online BIOS login information for your motherboard.
  • Read the instructions from the manufacturer of the motherboard.
  • Pay attention to the message that appears immediately after turning on the computer. The message is: "Press ... to run setup ». Instead of the ellipsis, a specific key (Del, F1, Esc) will be indicated, pressing which starts the BIOS.

Change boot order in UEFI BIOS

On modern motherboards, the BIOS interface, or rather, UEFI software, as a rule, is graphical and, perhaps, more understandable in terms of changing the order of boot devices.

In most options, for example, on Gigabyte (not all) or Asus motherboards, you can change the boot order by simply dragging the disk images with the mouse accordingly.

If this is not possible, look in the BIOS Features section, in the Boot Options item (the last item may be located in another place, but the boot order is set there).

Keys to enter the BIOS

Here is the table of keys for entering the BIOS for most motherboard manufacturers:

By the way, you need to press the button many times until the BIOS window appears, otherwise you can skip the stage of its launch.

Unfortunately, the mouse in BIOS does not work, so navigation is carried out only using the keyboard: arrows are used to move, and Enter is used to select a specific parameter. For a better understanding of how the BIOS works, let's see how to change the boot priority in two different interfaces.

Configuring boot from a flash drive in AMI BIOS

Please note that in order to do all the described actions, the USB flash drive must be connected to the computer in advance, before entering the BIOS. In order to install the boot from the USB flash drive in the AMI BIOS:

  • From the top menu, press the right key to select the Boot option.
  • After that, select the “Hard Disk Drives” punt and in the menu that appears, press Enter on the “1st Drive” (First Drive)
  • In the list, select the name of the flash drive - in the second picture, for example, this is Kingmax USB 2.0 Flash Disk. Press Enter, then Esc.

If you need to boot from the CD, then specify the DVD ROM drive. Press Esc, in the menu at the top from the Boot item, move to the Exit item and select “Save changes and exit” or “Exit saving changes” - to ask if you are sure that you want to save the changes made, you will need to select Yes or type “Y” from the keyboard, then press Enter. After that, the computer will reboot and start using the USB flash drive, disk, or other device you have selected to boot.

Booting from a flash drive in BIOS AWARD or Phoenix

In order to select the device to boot into the Award BIOS, select “Advanced BIOS Features” in the main settings menu, then press Enter with the First Boot Device option selected.

A list of devices from which you can boot will appear - HDD-0, HDD-1, etc., CD-ROM, USB-HDD and others. To boot from a USB flash drive, you need to install USB-HDD or USB-Flash. To boot from a DVD or CD-ROM. After that, we go one level up by pressing Esc and select the menu item "Save & Exit Setup" (Save and exit).

Configuring boot from external media in the H2O BIOS

To boot from a flash drive in the InsydeH20 BIOS, which is found on many laptops, in the main menu using the "right" key, you need to go to the "Boot" item. Set External Device Boot to Enabled. Below, in the Boot Priority section, use the F5 and F6 keys to set the External Device to the first position. If you need to boot from a DVD or CD, select Internal Optic Disc Drive.

After that, go to the Exit item in the menu above and select “Save and Exit Setup”. The computer will reboot from the correct media.

Boot from USB without entering BIOS (only for Windows 8, 8.1 and Windows 10 with UEFI)

If one of the latest versions of Windows is installed on your computer, and the motherboard is equipped with UEFI software, then you can boot from a USB flash drive without even entering the BIOS settings.

To do this: go to the settings - change the computer settings (through the panel on the right in Windows 8 and 8.1), then open "Update and recovery" - "Recovery" and click the "Restart" button in the "Special boot options" item.

On the “Select an action” screen that appears, select “Use device. USB device, network connection or DVD. ”

On the next screen you will see a list of devices from which you can boot, among which should be your flash drive. If suddenly it is not there, click "View other devices." After selection, the computer will reboot from the USB drive you specified.

What should I do if I can’t get into BIOS to install a boot from a flash drive

Due to the fact that modern operating systems use fast boot technologies, it may turn out that you simply cannot get into the BIOS to somehow change the settings and boot from the desired device. In this case, I can offer two solutions.

The first is to log into UEFI software (BIOS) using the special boot options for Windows 10 (see How to log into BIOS or UEFI Windows 10) or Windows 8 and 8.1. How to do this, I described in detail here: How to enter the BIOS in Windows 8.1 and 8

The second is to try disabling Windows fast boot, and then enter BIOS in the usual way, using the Del or F2 key. To disable fast boot, go to the control panel - power. In the list on the left, select "Power Button Actions."

And in the next window, remove the option “Enable quick launch” - this should help in using the keys after turning on the computer.

As far as I can tell, I described all the typical options: one of them should definitely help, provided that the boot drive itself is in order. If something doesn’t work out, I’m waiting in the comments.

And suddenly it will be interesting:

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10/13/2018 at 23:33

At the end of the article, there is a very useful tip about disabling fast boot for quick logging in using the del key in the BIOS - I’ll add that on the msi board you can also call the boot menu with the F11 key. It would be interesting to read an article about the UEFI Shell option and how to load programs like hdat2, mhdd, etc. from it.

10/20/2018 at 11:00

Hello Dmitry!
Hundreds of times I ask a variety of questions about BIOS, but the whole Internet answers like a carbon copy of “How to enter BIOS?”. What could be simpler?
But all the BIOSes they draw are not so close to mine.
I have a Dell laptop Vostro A860, BIOS in it is A02.
There is nothing to talk about in it. for example, "Mine" by which, allegedly, you can change the language to Russian. Can you tell me something? Thank!

10/20/2018 at 13:15

I did not quite understand the question (what exactly needs to be told). I can’t turn on Russian on Vostro 5568. But the boot order and everything else is easily configured in the boot parameters, although they are selected “on the left” and not “on top”, as in other BIOSes.

12.12.2018 at 13:12

and if the keyboard is disabled in the BIOS and the Windows is not loaded, then how to get into the BIOS?

12.12.2018 at 14:06

In BIOS, the keyboard should work “by definition”, unless it is connected to USB 3 (then there are problems) or it is not some very old PC (but then the ps / 2 keyboard should work)

01/13/2019 at 15:11

Hello! What should I do if I cannot select a USB flash drive for download? I tried to do this in different ways - no way. The BIOS menu (UEFI) shows the Boot menu when I go into it, of the available only Fast Boot, Boot Option # 1, Add New Boot Option, Delete Boot Option. Everything seems to be in order with the flash drive.

01/14/2019 at 12:06

In the BIOS, look at what is selected under Boot Option 1 and install a USB flash drive there.
And remember that if only UEFI loading is enabled in the BIOS, then it may not show flash drives for Legacy loading.

02/04/2019 at 10:13

Good afternoon, tell me how to configure the biostar file system on hard drives for one system, and boot the system installation from a flash drive?

02/04/2019 at 11:20

Hello. Biostar look different. But everywhere the boot device is exposed in the Boot / Boot override section. If the flash drive does not suddenly appear there, then the matter may be, for example, that it is recorded under Legacy, and only the UEFI is loaded in the BIOS.
Well, they don’t seem to configure the file system in the BIOS ...

02/07/2019 at 22:04

Cool, Thanks, and where and how to check it UEFI?

02.16.2019 at 23:20

Unsubscribe at the end of the download from the USB flash drive, I am reinstalling. When you need to remove the USB flash drive so that there is no reinstallation. You have not described this moment.

02/17/2019 at 14:52

1. Pull out at the first reboot (not a very option, since there is a chance to damage the USB flash drive).
2. when after rebooting they write on the screen to press any key, do not press anything.
3. at the first reboot into the BIOS, change the boot order (best option)

02/27/2019 at 11:34

Hello, this situation has developed, I have a bootable flash drive with a dozen, more than once with its help I reinstalled Windows. Yesterday, she suddenly covered herself, and this time my Asus BIOS flatly refuses to launch a USB flash drive, he seems to see it, but when choosing a launch from the media it still starts Windows from a hard drive and it goes into recovery, which breaks off all around.
Bios asusovsky yufi, and unfortunately, the settings of many of those that are in the boot or advanced menu are simply not there.
Do not tell me what can be done, could the flash drive or the recording on it be damaged, or is it something with the BIOS? Or maybe it’s worth throwing off the screen of my BIOS in order to get an understanding of what and where it is worth replacing.
I tried to use your tutorial, but did not find such settings in myself (

02/27/2019 at 13:36

It could have been damaged, but just in case, look at this, it’s just about why it may not load or not see the flash drive at boot:

07/01/2019 at 05:41

Stupid article, galloping across Europe. Dmitry, I was of a higher opinion about you.

07/18/2019 at 14:57

Hello Dmitry! Boot menu item disappeared in BIOS. How do I start a 2004 comp with WinXP from a flash drive. Батарейку не менял ни разу, часы идут правильно, хотя комп простоял без дела 5 лет.

19.07.2019 в 11:58

Должен быть там такой пункт, ну или аналогичный. В крайнем случае при загрузке должна быть клавиша (не Delete, а что-то типа f2/f10/f12), вызывающая boot menu для однократного выбора устройства загрузки.

Note: после отправки комментария он не появляется на странице сразу. Всё в порядке — ваше сообщение получено. Ответы на комментарии и их публикация выполняются ежедневно днём, иногда чаще. Возвращайтесь.

Что такое загрузка

Если совсем просто, то загрузка – это отправка программ или вообще любых данных на компьютер с подключенного к нему устройства. Why are we talking about loading the operating system whenever the PC turns on? But because in this context, the hard drive (from which the OS is sent for direct operation already in RAM) acts as a connected device. A drive and a flash drive are also perceived as a connected device.

Therefore, in fact, for a computer or laptop it is absolutely indifferent to where the necessary information will come from. Will it be boot from a flash drive or directly from a hard drive. It's all about the BIOS settings.

How to put a boot from a flash drive

BIOS is an acronym for English words that translate as a basic input / output system. And she has a strict order of implementation of the tasks. By default, your computer will first try to boot from a floppy disk (historically). Then he will turn to the drive. Then comes the turn of the hard drive. But loading from a USB flash drive in the BIOS is either in the last place (which you cannot get to bypassing the hard drive), or not at all. To correct this situation, it is necessary to change the priority of the system. Make it easy.

You can only enter BIOS if you start your computer until the download starts. The buttons for entering almost every manufacturer are individual. Ideally, it would be right to look at the documentation for the motherboard. But, based on the fact that ideal situations in our life are extremely rare, just try to ask Google (or Yandex - this is how you prefer), which key will allow your computer model in BIOS. And in the most extreme case, you can use the “scientific poke” method. That is, consistently try all possible combinations. There are not so many of them - these are the keys Esc, Del, F2, F8, F9, F10, F11, F12.

Go to the tab that says Boot (this means "boot"). There you are interested in the Boot Device Priority line. Confirming the selection of this line by pressing the Enter key, you will see a numbered list. On the first line in the second column, in square brackets will be written Floppy Drive ("diskette drive"). The second position is Hard Drive (“hard disk”), and the third is Disabled.

When you select any line, a window appears with a list of possible assignments. In addition to those described above, you can install CDROM (“drive”) or USB Device (“device connected via USB port”). This is exactly what is required in order for the boot from the USB flash drive to be activated in the BIOS. After you set the new priority of the commands, press the F10 key and confirm your choice by clicking on “Ok” in the window that appears. After these changes in BIOS, loading from a flash drive will be carried out automatically.

Preparing a USB drive

However, if you simply drop the program onto the information medium, nothing will work. In order for the computer to boot from the flash drive correctly, the flash drive must be bootable. This can be achieved either using special programs, or by writing the necessary tasks on the command line. First, consider two popular programs. We will not dwell on the fact that the program must first be installed on the computer. We proceed immediately to work directly with her.

A few words about the ISO format

Do not try to simply copy files. Be sure to find the disk image in ISO format. The fact is that program creators often use copy protection in some files. This will be enough to prevent the entire program from working. And the peculiarity of the disk image in ISO is that every byte is copied there sequentially. Conventionally, this can be illustrated by the difference between a painting by an artist and digital photography. They can display the same object, but the photograph will still be more accurate. So, in order for the boot from the flash drive to be successful, you just need a “photo” - an ISO disk image.

How to work with UltraISO

  1. The program must be opened using administrator rights, otherwise it will fail. To do this, click on the icon with the right mouse button. In the menu that opens, select "Run as administrator".
  2. After that, expand the “File” menu (the top line is the first position) and give the command “Open ...”. Or, if you prefer to use the keyboard, press Ctrl + O.
  3. At this point, the operating system in ISO format should already be in the computer's memory. Select it by clicking the left mouse button.
  4. Now go to the "Boot" menu. This is the third position on the top line.
  5. Give the command "Burn the image of the Hard Disk ..." (next to the line you need is a four-color shield icon).
  6. Carefully check the information that appears in the pop-up window. Pay particular attention to the “Recording Method”. It should read: USB-HDD +.
  7. Click on the “Record” button (the bottom row).
  8. Do not be alarmed by the warning that all information will be erased. Confirm that you wish to continue.
  9. After that, the recording process will begin, during which data will be indicated in the window on what stage the recording is at. You will need to wait a few minutes.
  10. Soon the program will delight you with the message "Recording is completed!".

Do not be afraid of such a lengthy description. In practice, everything happens easier than it looks. Just this detailed explanation will save you time (and possibly nerves) when you first get acquainted with the program.

Windows7 USB / DVD Download Tool

After you install the Windows7 USB / DVD Download Tool on your computer, you will only need to complete three simple steps. Remember that the program must be opened with administrator rights.

  • Step one: in the window that opens, the program will ask for the source file. Click the Browse button and the Next button.
  • Step Two: Choose media type. The choice is your USB device (flash drive) and DVD (disk). Choose the first type.
  • Step three: specify the path to the USB flash drive and click Begin copying ("start copying").

The program will execute the rest on its own. You just have to wait for the end of the copying process.

Although, at first glance, this program seems easier to use, it will be useful to know that there have been cases when loading Windows 7 from a USB flash drive recorded by the above program simply did not start. This does not always happen. But if you encounter a similar problem, just use UltraISO. Booting Windows from a flash drive recorded by this program always proceeds correctly.

Using your own resources

However, it is possible to create a bootable USB flash drive without resorting to any additional programs. It will be enough to set the necessary parameters on the command line.

Left-click on the "Start" button (the icon with the Windows logo in the lower left corner of the desktop). In the search bar, type the word "run." In the list that opens, select the Run program. In most cases, she will be the first on the list. In the field that appears, enter the cmd command. You invoked the command line. Now let’s describe how to act with it.

Work with the command line

We will work to ensure that we have a boot from a flash drive on a laptop. Acer Aspire will serve as a prototype. If you did everything correctly, a line should appear with the following content: C: Users ACER>. On this line, enter the DISKPART command (calling a utility that manages partitions on the hard disk). The computer will provide the requested information. In the case of Acer Aspire, it looks like this:

  • Microsoft DiskPart version 6.1.7601.
  • Microsoft Corporation, 1999-2008.
  • On the computer: Acer-V5_PC.

Enter the following command: list disk (query for a list of available disk drives). A table appears with a list of disks whose numbering starts from zero. Look at the number assigned to the removable media of your choice (the size column will help in determining). In our example, it will be "Disk 1". Type in the line: select disk 1 ("select disk 1"). Remember that the number may differ depending on what position your computer has determined for the flash drive. A confirmation message should appear:

Enter the command: clean. Further, the process will follow the same principle: command - confirmation. Enter in sequence:

  • create partition primary ("create a primary partition"),
  • select partition 1 ("select partition 1"),
  • active ("make active"),
  • format fs = NTFS ("format to NTFS").

Wait until the process indicator reaches 100%. At this stage, if desired, you can assign the flash drive an individual volume letter. Although it is not necessary. But if you decide to name it, enter: assign letter = T ("assign letter T"). The letter can be selected arbitrarily. And the final touch is the Exit command.

Now loading Windows from a flash drive has become a priority. Only the data on it must be placed already in the unpacked form. If you simply throw in a disk image there, this will not work.

What else needs to be done before installation

After all the preparatory work is done, you can proceed directly to the installation of the operating system. Let's try to avoid all the pitfalls in this process.

So, for starters, remember that Windows will boot from a USB flash drive to C: . Therefore, it is necessary to save all the important information from there either to another drive or to removable media. All information from this disk will be lost.

The same goes for all software. However, it’s better not just to move the program to a neighboring drive, but reinstall it again. This will allow not to clog the registry once again.

Pay special attention to drivers. In some cases, they are attached to a computer or laptop, but it happens that they need to be installed or updated. Be sure to save the driver from drive C: to any other drive. Otherwise, after the download from the USB flash drive has already been completed, you may regret to find that, for example, the Internet connection is not supported due to the lack of the necessary driver. Therefore, after installing the operating system, first of all, re-equip your computer or laptop with all the drivers.

Download Windows 7 from a flash drive

Installing an operating system is not such a scary and complicated action as it might seem at first glance. Moreover, with this detailed step-by-step instruction, you have nothing to fear at all. Just be careful and do not confirm the action if you do not understand why it is needed.

If you have already set the boot priority from the flash drive, just restart the computer (the flash drive, of course, must be connected). A black screen should appear with the inscription below: Windows is loading files ... ("Windows uploads files"). This means that the process of copying data from the media has begun.

Soon, Starting Windows will appear, after which you will see the installation window already on the usual colored background. The first thing you will be asked to choose is your preferred language, time format, and keyboard layout. Everything is selected without problems from pop-up lists. Click the “Next” button. In the next window, you are only interested in the “Install” button (it is located in the middle of the screen). Press. Next, accept the terms of the license agreement (you need to check the box and click "Next").

The next item is the choice of installation type. You need a full installation (second option). Now the computer will offer you disks on which you can install the system. It’s preferable to choose one that allows you to reserve at least 50 GB of space for Windows. Select it by clicking the left mouse button. At the bottom you will see a list of actions that can be performed with this disk. Click Create. At the moment we are making a section on which the operating system will be stored. You will see data about the size (do not be afraid of a huge number - these are megabytes). Click Apply.

After installation is complete, only a couple of strokes will remain. You will be prompted to enter a username and computer, set a password (you can skip this action) and enter an activation key (you can skip this too, but you still have to activate the program within 30 days). The last step is to set the time and date.

Congratulations, the boot from the Windows flash drive was successful!

Boot into Phoenix-Award BIOS

If you have an old BIOS interface, then to change the boot priority you need to go to the section "Advanced BIOS Features".

  1. Find the line “Hard Disk Boot Priority” or "First Boot Device".
  2. Press Enter and use the arrows to select a value USB Flash (“Removable”, “USB-HDD0”, “USB flash drive name”).
  3. To save the settings, click Safe and exit SETUP in the main menu.

After successful installation of Windows, you will need to repeat this operation, returning the HDD (boot from the hard disk) to the first place.

Boot into AMI BIOS

In computers, a newer version of the BIOS is installed from AMI (although, more and more often, motherboard manufacturers install BIOS of their own design).

The principle of operation remains the same:

  1. Go to tab "Boot" on the top panel.
  2. Open section “Boot Device Priority”.
  3. Stand on the line "1 st Boot Device" and press Enter.
  4. Use the arrows on the keyboard to set the value. USB (or CDROMif installing from disk. There is no CD / DVD-ROM in the picture above, because it doesn’t exist on that computer at all).
  5. Click F10 and select an option OKto save changes and exit BIOS.

Do not be alarmed if you have a BIOS with a different interface, and there are no tab and partition names described above. Just find the tab that has the word “Boot” in its name. Inside it, you will definitely find the boot priority, which can be changed by installing in the first place a USB-flash device with a Windows distribution.