When updating bios what is important

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A modern Wintel-compatible computer provides a setup routine essentially unchanged in nature from the ROM-resident BIOS setup utilities of the late 1990s; the user can configure hardware options using the keyboard and video display.

Also, when errors occur at boot time, a modern BIOS usually displays user-friendly error messages, often presented as pop-up boxes in a TUI style, and offers to enter the BIOS setup utility or to ignore the error and proceed if possible.

As what was mentioned earlier, if you do your BIOS updating the wrong way, it will be a cause of possible errors on your computer, might as well your PC booting system will not function well, or worst comes worst possible system damage of your personal computer is at risk.

If you do your BIOS updating well, it can fix issues that has annoyed you for a longer time, it can double the fastness of your booting time through hardware fixing, the catching functions will be improving, it will make room for new devices to be compatible with your system, and the manufacturer of your motherboard or your PC will have the capacity to resists bugs like any other software do.

The BIOS of the original IBM PC and XT had no interactive user interface.

Error codes or messages were displayed on the screen, or coded series of sounds were generated to signal errors when the power-on self-test (POST) had not proceeded to the point of successfully initializing a video display adapter.

The BIOS firmware comes pre-installed on a personal computer's system board, and it is the first software to run when powered on.

Starting around the mid-1990s, it became typical for the BIOS ROM to include a "BIOS configuration utility" (BCU) or "BIOS setup utility", accessed at system power-up by a particular key sequence.In modern computer systems, the BIOS contents are stored on flash memory so it can be rewritten without removing the chip from the motherboard.This allows easy, end-user updates to the BIOS firmware so new features can be added or bugs can be fixed, but it also creates a possibility for the computer to become infected with BIOS rootkits.This program allowed the user to set system configuration options, of the type formerly set using DIP switches, through an interactive menu system controlled through the keyboard.In the interim period, IBM-compatible PCs‍—‌including the IBM AT‍—‌held configuration settings in battery-backed RAM and used a bootable configuration program on disk, not in the ROM, to set the configuration options contained in this memory.

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