non-volatile storage devices ("boot device sequence") until it finds one that is bootable. Once the BIOS has found a bootable device it loads the boot sector to...
99 KB (11,296 words) - 19:18, 14 July 2025
UEFI (redirect from Windows 8 secure boot)
between boot device selection and hand-off to the OS. At this point one may enter a UEFI shell, or execute a UEFI application such as the OS boot loader...
100 KB (10,205 words) - 15:42, 30 July 2025
A boot sector is the sector of a persistent data storage device (e.g., hard disk, floppy disk, optical disc, etc.) which contains machine code to be loaded...
14 KB (1,714 words) - 15:53, 9 June 2025
open-source boot loader used in embedded devices to perform various low-level hardware initialization tasks and boot the device's operating system kernel. It is...
14 KB (1,713 words) - 05:56, 18 June 2025
A boot image is a type of disk image that when on a boot device allows the associated computer to boot. A boot image usually includes an operating system...
6 KB (813 words) - 22:38, 9 October 2024
The booting process of Android devices starts at the power-on of the SoC (system on a chip) and ends at the visibility of the home screen, or special modes...
10 KB (1,034 words) - 23:27, 16 July 2025
support booting from the device in question. One can make one's own boot disk (typically done to prepare for when the system won't start properly). Boot disks...
7 KB (900 words) - 17:35, 21 November 2024
The BIOS boot partition is a partition on a data storage device that GNU GRUB uses on legacy BIOS-based personal computers in order to boot an operating...
6 KB (753 words) - 04:46, 19 August 2024
and a bootable device which stores the OS (including U-Boot), the on-chip boot ROM sets up the DDR memory controller at first which allows the boot ROM's...
25 KB (3,169 words) - 20:19, 1 July 2025
Bootloader (redirect from Boot loader)
Some earlier computer systems, upon receiving a boot signal from a human operator or a peripheral device, may load a very small number of fixed instructions...
32 KB (3,392 words) - 14:05, 24 July 2025
the device, with the first sector of the entire device being a Master Boot Record (MBR) containing the partition table. The code in volume boot records...
20 KB (2,648 words) - 08:01, 7 November 2024
BIOS (redirect from BIOS Boot Sequence)
components (power-on self-test or POST for short), and loads a boot loader from a mass storage device which then initializes a kernel. In the era of DOS, the...
89 KB (9,560 words) - 21:21, 19 July 2025
or locking the boot device. The cold boot attack can be adapted and carried out in a similar manner on Android smartphones. A cold boot can be performed...
38 KB (4,279 words) - 20:59, 14 July 2025
Option ROM (redirect from BIOS Boot Specification)
option ROMs completely determine the boot priority between adapter cards that are enabled for booting, and the boot devices supported by the motherboard BIOS...
17 KB (2,626 words) - 13:33, 2 January 2025
A master boot record (MBR) is a type of boot sector in the first block of partitioned computer mass storage devices like fixed disks or removable drives...
100 KB (8,704 words) - 08:40, 27 May 2025
the boot process. Some keyboards implement the USB Boot Keyboard profile specified in the USB Device Class Definition for Human Interface Devices (HID)...
12 KB (1,623 words) - 17:04, 4 April 2025
storage device is a dual-booting computer that stores Windows on one disk drive and Linux on another disk drive. In this case a multi-booting boot loader...
14 KB (1,865 words) - 12:37, 29 November 2024
reboot a couple of times after the start of the boot loop, which starts with an INACCESSIBLE_BOOT_DEVICE BSOD, Windows presents recovery options. Out of...
10 KB (1,149 words) - 20:25, 19 July 2025
Wheel clamp (redirect from Denver boot)
A wheel clamp, also known as wheel boot, parking boot, or Denver boot, is a device that is designed to prevent motor vehicles from being moved. In its...
20 KB (2,211 words) - 08:22, 20 May 2025
AUTOEXEC.BAT (section Dual-booting DOS and Windows 9x)
systems. It is a plain-text batch file in the root directory of the boot device. The name of the file is an abbreviation of "automatic execution", which...
15 KB (1,697 words) - 19:51, 13 April 2025
Preboot Execution Environment (redirect from Pre-Boot Execution Environment)
Environment (PXE; often pronounced as /ˈpɪksiː/ pixie), often called PXE boot (pixie boot), is a specification describing a standardized client–server environment...
19 KB (2,709 words) - 13:09, 8 April 2025
the user to create a bootable Mac OS X USB device for Mac OS X 10.5 and earlier. It is a freeware product. This live USB device can be used for diagnostic...
5 KB (537 words) - 15:49, 8 July 2024
Live USB (redirect from USB-bootable Linux distribution)
not have a BIOS that supports USB booting. Many which do support USB booting may still be unable to boot the device in question. In these cases a computer...
17 KB (1,968 words) - 19:39, 30 June 2025
Spanish boot was an iron casing for the leg and foot. Wood or iron wedges were hammered in between the casing and the victim's flesh. A similar device, commonly...
7 KB (928 words) - 19:39, 16 April 2025
STOP: 0x0000007B (INACCESSIBLE_BOOT_DEVICE). In such cases, there was no memory dump saved. Since the system was unable to boot from the hard drive in this...
49 KB (5,338 words) - 13:21, 31 July 2025
Power-on self-test (category Booting)
did not organize or select boot devices, it simply identified floppy or hard disks, which the system would always try to boot in that order. The BIOS begins...
24 KB (2,385 words) - 06:35, 10 June 2025
GUID Partition Table (redirect from Extended Master Boot Record)
Apple Partition Map (APM) Boot Engineering Extension Record (BEER) BSD disklabel Device Configuration Overlay (DCO) Extended Boot Record (EBR) Host Protected...
79 KB (3,200 words) - 12:55, 4 July 2025
Devicetree (redirect from Device tree)
stages of booting. As an example, Das U-Boot and kexec can pass a device tree when launching a new operating system. On systems with a boot loader that...
9 KB (1,044 words) - 20:16, 17 July 2025
and fdisk. Some BIOSes test if the boot flag of at least one partition is set, otherwise they ignore the device in boot-order. Therefore, even if the bootloader...
3 KB (338 words) - 10:31, 3 January 2022