How to configure BIOS on a computer. Setting up BIOS laptop • BYRGPUB.COM

Full BIOS settings

The text includes explanations of absolutely all existing BIOS settings, both older and modern chipsets. Compiled on the basis of two of our old reviews: “BIOS optimization”, “Full BIOS settings” and complemented by the material of Adrian Wong The Definitive Bios Optimization Guide. We will be grateful for any additions and Комментарии и мнения владельцев.

When the Virus Warning option is enabled, the BIOS will display a warning every time you try to access the boot sector or to the partition table (area in the main boot record (Master Boot Record), which is used by the computer to determine access to the disk). Better, if possible, leave this option included. Note that in this way only the boot sector and partition table is protected, and not the entire hard drive.

However, this option may cause problems when installing certain software. A good example is the usual installation procedure Win95 / 98. When this option is enabled, it becomes caused when installing Win95 / 98. Turn it off before installing such software.

Also, many disk diagnostic utilities that refer to the boot sector can issue an error message. You must first turn off this option before using these utilities.

As a result, this option is useless for hard drives that are controlled by external controllers (external controllers) with their own BIOS. The boot viruses are minimized by the system BIOS and insertion on such hard drives directly. For example, SCSI controllers and ULTRADMA 66 controllers.

This BIOS installation can be used to enable or disable the first level cache. Naturally, the default installation is Enabled.

This option is useful for “overclockers”, which want to accurately determine the cause of unsuccessful “overclocking”. T.E. If the CPU is not able to reach 500MHz with the first-level cache included and vice versa; Then L1 Cache and is the cause of the interfering stable work of the CPU on 500mhz.

This BIOS option is used to turn on and off the second level cache. Naturally, the default installation is Enabled.

This option is useful for “overclockers”, which want to accurately determine the cause of unsuccessful “overclocking”. T.E. If the CPU is not able to reach 500mhz with the second-level cache included and vice versa; Then L2 Cache and is the cause of the interfering stable CPU operation by 500MHz.

This option includes and turns off the function (ECC. ERROR CORRECTION CODE) Error correction codes. The inclusion of this function is usually recommended, as it defines and corrects errors in one discharge in the data stored in the second level cache. It also defines errors in two digits, but does not correct them. Nevertheless, ECC Checking stabilizes the system, especially on overclocked computers, when the most likely errors.

This feature is applicable only if the above-described boot sequence feature has an EXT installation and this feature has to work in conjunction with the Boot Sequence function. This feature allows you to install whether the system will be loaded with the hard drive IDE connected with any of the two additional IDE ports that can be detected on some motherboards (ABIT BE6 and BP6) or from SCSI Winchester.

To boot with the hard drive IDE connected to the third or fourth IDE port (thanks to the additional built-in Ide controller), you will first need to install the Boot Sequence function above so that it starts with EXT. For example, EXT, C, A. Then, you need to install this feature (Boot Sequence Ext Means) to IDE.

This feature allows you to select the first device from which the BIOS will try to download the operating system. Note that if the BIOS loads the system from the device selected by this function, it will not be able to load another operating system installed on another device.

For example, if a floppy disk drive will be selected as the first boot device (First Boot Device), BIOS will download DOS 3.3, which is on a floppy disk, but will not load Win2K, even if this system is installed on the hard disk C. In order to prevent failures, it is recommended to install the operating system with CD.

This feature allows you to select the second device from which the BIOS will try to download the operating system. Note that if the BIOS can download the system from the first boot device, the settings of this feature will not have the strength. Only if the BIOS can not find the operating system on the first loading device, it will try to find and download the system from the second download device.

This feature allows you to select the third device from which the BIOS will try to upload the system. Note that if the BIOS can download the system from the first or second loading device, the settings of this feature will not have the strength. Only if the BIOS cannot find the system on the first and second loading devices, it will try to find and upload the system from the third boot device (Third Boot Device).

For example, if you choose a 3.5 drive as the first device, and the LS-120 drive as the second boot device, but both devices will be empty, the BIOS will load Win2k, which was installed on the hard disk C (selected as the third loading device ).

This function determines whether the BIOS will download the system from the second or third loading device if you cannot download the system from the first download device.

Entrance to BIOS / UEFI: Options

Perhaps the article needs to start not with the BIOS setting, but from how it is also not so obvious to it and just for a not sophisticated user.

In general, everything comes down (usually) to ensure that immediately after turning on the computer / laptop, while only the first logo appeared when loading, press Special. key (better several times). If you pressed the right key. See BIOS Settings Test Window.

The most common buttons for the entry in the BIOS: F2, ESC, DEL. If you have a laptop. it is possible that you need to press them with the Fn button (T.E., For example, FNF2). It depends on the keyboard settings in the same BIOS.

The main complexity is that there is no single keys to enter the BIOS! Each manufacturer. can be their special. keys (sometimes, these are whole combination of 3-4 buttons!).

Below I will give a few options as you can go to the BIOS and give references to articles where you can learn these cherished keys.

If you have Windows 8/10/11 on your computer. You can not guess with the buttons at all, and enter the BIOS from the intees. It is done quite simple, see. Instruction referenced below.

To help!

How to enter the UEFI (BIOS) from the Windows 8, 10/11 intees (without using specials. keys F2, Del and DR.).

To find out the key to enter BIOS. You can use the documentation (which went along with your device when buying), or special. Tables and specifications (koim on the Internet abound).

I also have several tables and instructions on my blog, perhaps something you can learn there.

Instructions!

1) How to enter BIOS or UEFI. cm. Instruction

2) Tables with buttons for entering Bios / Boot Menu for different PC manufacturers.

Pay attention to the first screen that appears immediately after rebooting the computer (to see the first screen. It is to restart the computer, and not turn on. ).

If you do not have time to see the “first” screen (or read the information on it). Press the PAUSE key (Break).

If you have time to do it. then the screen will “hang” and will wait for your next press (t.E. You can read everything and inspect).

The screenshot below shows the AMI BIOS greeting screen: F2 or DEL are the buttons to enter the BIOS settings (in English.: to Run Setup).

AMI BIOS: F2 key. Login to BIOS settings.

On some laptops (Lenovo, for example) there are special. Buttons for entering the BIOS (they are usually small, and are located either next to the power button or next to the power socket).

Lenovo B70. Button to enter the BIOS next to the input for power. Press the most convenient pencil or handle

Click they need a handle (or pencil) when the laptop is turned off. After clicking on it, the device will turn on and you will be presented a boot menu (from which you can go to the BIOS).

Boot menu / Lenovo (as an example)

Basics of work

Note: For those who are already a little familiar with control in BIOS. This section of the article can miss.

Control keys, change settings

The BIOS will have to manage and set the settings without the help of the mouse (many novice users scares it. By the way, the UEFI implements the support of the Russian language and mouse).

In fact, even in Windows (where the mouse works). many actions are much faster to do with the keyboard!

The control buttons, for the most part, are the same everywhere (the difference though there is, but usually not significant). Another detail: to the right or below in the BIOS there is a hint: it contains all the main control keys (see. photo below).

F1. call certificate (help);
Arrows ← and →. Selecting the Settings section (for example, Boot, Advanced and PR.);
Arrows and selection of a specific parameter in the desired section;
and change setting (increase / decrease);
F9. download default settings;
F10. Save BIOS settings and exit (you can click, being in any section BIOS);
ESC. output;
Enter. Set (approve) The selected parameter / or open the parameter or section for further configuration (in general, one of the most main keys).

In general, knowing this tent of the buttons. you can easily change all BIOS settings.

Saving settings

You can change any settings in the BIOS, but they will enter into force only after you save them and restart the device (by the way, the computer / laptop is restarted automatically, after exiting BIOS).

Save the BIOS settings in two ways:

Press the F10 key. In most versions of the BIOS, it means save the settings and restart the device;
Go to Exit section and click on Save Changes and Exit (Save Settings and Exit, An example is shown in the screenshot below. arrows 1 and 2).

By the way, you can exit from BIOS and not saving the settings. To do this, select the Discard Changes and Exit option in the Exit section.

You can also get out of the BIOS simply reloading the computer (although, once again it is not recommended. ).

Reset settings to optimal

If you changed any settings in the BIOS and the computer stopped downloading (or, for example, sounded sound). Well, or you just decided to return it all as it was. I know that there is a special function to reset the settings in the BIOS. T.E. This feature will return all settings in default (t.E. will do everything by default, as it was when buying).

By the way, after downloading default settings. need to save them by clicking on F10 (about it. cm. slightly higher in the article).

In a variety of BIOS versions. the name of the item to reset the settings may be somewhat different. For example, on the screen below shows the EXIT section of the Dell laptop. here you need to click on Restore Defaults. and then save tincture. Save Changes and Reset. After restarting the device, it will work with default settings.

Default Reset Settings // Dell Laptop // Restore Defaults

Security

Supervisor and User Password. Lines Notify the presence of a password to access the settings as an administrator and user, respectively.

The second will be able to enter the BIOS settings only in read mode.

Below are the forms for installing the administrator and user passwords, respectively.

If you forget, you can easily reset, pulling the CMOS power battery (the microcircuit where the parameters value is stored) for a few seconds.

Tools

Here are accommodated, as a rule, equipment developer tools. One of them is a firmware update from a removable drive or older versions of media.

AI NET. data on the network to which the computer is connected when.

Exit configuration menu for further operating system boot.

Exit Save Changes. Conservation Changes.
EXIT DISCARD CHANGES. closing parameters with a rollback of made edits. CMOS changes will not be made.
Discard Changes. Canceling the changes made for the current session without leaving the BIOS settings window.
Load Setup Defaults. Reset configuration to standard.

It is considered only one of the types of outdated BIOS. AMI.

In other versions, the essence remains the same with some distinction in the inteeis, the lack of several items or the presence of immicking AMI options.

Control buttons

In BIOS, all settings have to be set using the keyboard (which is somewhat scareting novice users who are used to doing everything with a mouse).

Note: more modern BIOS versions (T.E. UEFI). Support control with a mouse.

It is also worth noting that all settings are specified in English (however, most of the settings just just understand what they mean, even those who did not teach English).

I draw attention to the fact that in almost every version of the BIOS at the bottom of the screen (either right) all the main control buttons are written, with which it is configured.

Control buttons from the bottom of the window / Laptop Dell Inspiron

If you are allocated in general, the buttons are as follows:

arrows → ←. are used to move the cursor (parameter changes);
ENTER is the main key to enter the partitions (as well as to select certain parameters, shifting items);
ESC. exit from BIOS without saving settings (or output from a specific partition);
/ Pgup or./ PGDN. an increase in / decrease in the numeric value of a specific parameter, or switching it;
F1. brief reference (for settings only);
F2. Tip from a dedicated point (not in all versions of BIOS);
F5 / F6. Changing the parameters of the selected item (in some versions of the BIOS can also be used to restore the modified settings);
F9. information about the system (downloading secure settings);
F10. Save all changes in the BIOS and exit.

Important!

In some laptops, to work the function keys (F1, F2. F12) You need to press the FNF1 buttons combination, FNF2. FNF12. Usually this information is always indicated below (right) windows.

Basic sections and settings

I believe that the first thing, where to start this article. this is from the issue of entering the BIOS (and then there will be nothing to configure.

In most PC / laptop models, to enter the BIOS you need to press the F2 or DEL button (sometimes F1 or ESC) immediately after the device is turned on.

On some laptops (for example, Lenovo) there is a special Recovery button (which is pressed instead of the power button). After that, usually, the sign appears (as in the photo below). to configure the BIOS you need to select BIOS Setup.

I also recommend reading the articles on my blog dedicated to the entrance to the BIOS (Links below).

To help!

1) how to enter the BIOS on a computer / laptop.

2) How to enter the BIOS on Lenovo laptop.

Basic sections and settings

Yes, in general, as well as in BIOS. there are several ways. I will bring them briefly below.

The most common option is to press Special. key (on ASUS is usually F2 or ESC) to enter immediately after the device is turned on.

over, it is desirable to press it several times and before, and during the appearance of the logo. until the first UEFI window appears (as it looks like a little lower in the article).

Press the input button several times to the BIOS (F2 / ESC) button until the logo appears (and during its display)

Instruction!

How to enter the BIOS (UEFI) on a computer or laptop. [cm. Instruction with several. ways]

If you have Windows 8/10/11 installed (and everything is in order with it, t.E. It is loaded)

In this case, you can enter the UEFI in general without any “search” keys.

For example, in Windows 10/11, it is enough to open the system parameters (WinI combination) and go to the “Update and Security” section: Next, restart the computer using special download options (see. Screen below).

Update and Security. Recovery. Special download options / Windows 10

After that, the computer will be rebooted and special will appear. Menu: You need to open the “Advanced Settings” section and start the “UEFI” parameters mode. Next, you will find UEFI settings, everything seems to be just.

To help!

Instructions: how to enter the UEFI (BIOS) from the Windows 8, 10, 11 intees (without using specials. keys F2, Del and DR.)

Main window

Appears immediately after you come in UEFI. It presents a lot of useful information:

processor model;
the amount of RAM;
Video card model;
serial number of the device;
Connected drives (hard drives, SSD and PR.);
load priority;
CPU temperature, cooler mode, etc.

ASUS UEFI (BIOS UTILITY. EZ MODE). Main window

Pay attention to the lower part of the window (there is all the most interesting):

Reset settings in default (also can be done if you press the F9 key);
Calling the boot menu (F8);
Extended settings (F7).

Boot Menu (boot menu)

Boot Menu is necessary in order to view all load drives (flash drives, discs, etc.) connected to the device. In essence, this is a list of devices from which you can choose one of them, and load. For example, it is often necessary to boot from the installation flash drive to install Windows OS.

To call Boot Menu. just click on the F8 key (or click on the mouse on this menu).

Note: Also Boot Menu can be called when loading a laptop, using specials. The key (for ASUS, this ESC key, you need to click immediately after the device is turned on).

Main (basic)

Basic (or basic) UEFI tab when you log in Advanced Settings. You can find out of it:

manufacturer and version of BIOS / UEFI (BIOS VENDOR, VERSION);
processor model (Intel Core i5-7200U);
RAM (Total Memory);
Serial number of the device (Serial Number);
Current Date and Time (System Date, System Time).

Advanced (Extended)

One of the main partitions to set a set of arch-desired parameters. I will list the main ones:

INTERNAL POINTING DEVICE. Turning on / off the touchpad (Enabled is enabled; disabled. off);
Wake On Lid Open is an option that is responsible for turning on the laptop when opening the cover (if you translate it into Disabled. then after opening the lid, the laptop will not turn on);
Intel Virtualization Technology. hardware virtualization (allows you to speed up the device operation when working with virtual machines. Most users option gives nothing. performance in normal work it does not add!);
Intel AES-NI. option accelerating coding / decoding of secure data (for example, if you are using BitLocker, then turning this option. the decryption speed will be ~ 20% higher);
VT-D. I / O virtualization technology (most option is simply not needed);
ASUS EZ FLASH UTILITY. Tab is used to update the UEFI version (for experienced users!);
Smart Settings. Provides control over the state of the disk (s.M.A.R.T). If the disk starts to “draw”. then when you turn on and loading the device, you will see a mistake that it is time to make a backup (it is extremely recommended to disable!);
Network Stack Configuration. the ability to load the device using the network. If the device is not used as a server. you should turn off (in general, a useless option for most);
USB Configuration. Usb Configuration;
Graphics Cunfiguration. Setting graphics (video card mode);
SATA CUNFIGURATION. SATA / IDE controller operation.

With regard to the video card mode (Graphics Cunfiguration Tab:

You can turn off the discrete video adapter (T.E. To the laptop always use only the built-in card). Do so in cases where the discrete map came into disrepair (or began to behave not stable), or when they want to extend the operation time of the device from the battery;
DVMT Pre-allocated. Dynamic Video Motion Technology. In different devices, you can allocate different meanings: 32 MB, 64 MB, 128 MB, etc. There is no significant effect on performance.

The SATA CUNFIGURATION tab allows you to change ACHI / IDE hard disk operation mode. For example, when installing Windows, it may be so to become that it will not “see” hard disk (T.to. In her arsenal there is no ACHI drivers (usually happens with old OS)). Switching mode in IDE. you can install the system and deal with the drivers after.

SATA Configuration. Setting the disk operation mode

BOOT (Download)

This section, as follows from the name, is responsible for loading the device: here you can specify from which carrier to load, whether the support mode of old OS and PR. When installing Windows, change settings is required just here!

About the basic parameters of this section (see. Screen below):

CSM Support. Support for the loading of old OS (currently it is Windows 7 and below. );
LAUNCH PXE OPROM POLICY. Using this “pieces” you can download Windows over the network (T.E. No need to use a flash drive, no disk, nor CD-ROM). Most of this option is not needed, it is not recommended to include (there is a risk that you will watch the black screen waiting for the boot. );
Boot Option (1, 2, 3) is a load priority: T.E. The computer will first try to boot from the drive # 1. if there are no boot records on it, goes to the drive and T.D. As soon as the loading media will be found. a laptop to boot from it, and all other carriers will not be checked!
Hard Drive BBS Priorities. the parameter responsible for the priority of loading from HDD-disks (usually does not touch it, leaving the default);
CD / DVD ROM DRIVE BBS PRIORITIES. similar to the previous item;
Add New Boot Option. Add a new boot device (if your flash drive is not displayed in the loading device list. Use this feature);
Delete Boot Option. Delete device (string / option with boot device).

Sources:

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