What is Bios and Boot Function key? The BIOS (Basic Input-Output System) is the firmware code Boot menu is always related to computer booting process
What is Bios and Boot Function?
The BIOS (Basic Input-Output System) is the firmware code that typically lives on flash memory on your motherboard. Think of it as the reptilian hind-brain of the system. It is the minimum software that a system needs to become able to start to load an operating system.
In order to access BIOS on a Windows PC, you must press your BIOS key set by your manufacturer which could be F10, F2, F12, F1, or DEL. If your PC goes through its power on self-test startup too quickly, you can also enter BIOS through Windows 10's advanced start menu recovery settings
Boot menu is always related to computer booting process. The booting process is as follows: POST first detects the peripherals and devices to make sure the hardware is ready; next, the computer accesses the BIOS firmware and then assigns to boot from the boot device with the first priority; finally, read the assigned boot device to enter the operating system.
Sometimes, you need to open boot menu and change the boot order for the following two reasons:
- The computer doesn't boot into operating system. You need to check the boot
- You need to change the boot device, for example, you want to boot MSI from USB.
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