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Learn about the bootloader provided by Microsoft for Windows NT versions starting with Windows Vista and Windows Server 2008. It is the first program launched by the BIOS or UEFI of the computer and is responsible for loading the rest of Windows.
In Windows NT, the booting process is initiated by NTLDR in versions before Vista and the Windows Boot Manager in Vista and later. [4] The boot loader is responsible for accessing the file system on the boot drive, starting ntoskrnl.exe , and loading boot-time device drivers into memory.
A factory reset, also known as hard reset or master reset, is a software restore of an electronic device to its original system state by erasing all data, settings, and applications. Learn how to perform a factory reset on various devices, such as computers, Android phones, Samsung smartphones, and game cartridges.
This implies that after the hardware reset, the CPU will start execution at the physical address 0xFFFF0. In IBM PC compatible computers, This address maps to BIOS ROM. The memory word at 0xFFFF0 usually contains a JMP instruction that redirects the CPU to execute the initialization code of BIOS. This JMP instruction is absolutely the first ...
System Restore is a Windows feature that allows the user to restore the computer's state to a previous point in time, which can be used to recover from system malfunctions or other problems. Learn how it works, what it monitors, how to configure it, and how to use it on different Windows versions.
UEFI (Unified Extensible Firmware Interface) is a successor of BIOS that defines an architecture for the platform firmware used for booting a computer's hardware and its interface for interaction with the operating system. UEFI supports various features such as large partitions, network capability, GUI, modular design, and backward and forward compatibility.
Later, 386-class computers started integrating the BIOS setup utility in the ROM itself, alongside the BIOS code; these computers usually boot into the BIOS setup utility if a certain key or key combination is pressed, otherwise the BIOS POST and boot process are executed. Award BIOS setup utility on a standard PC. A modern BIOS setup utility ...
Examples of computer firmware include: The BIOS firmware used on PCs; The (U)EFI-compliant firmware used on Itanium systems, Intel-based Macs, and many newer PCs; Hard disk drive, solid-state drive, optical disc drive and optical disc recorder firmware [5] Video BIOS of a graphics card