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For a cold boot, for example, it may need to execute all of its functionality. If, however, the system supports power saving or quick boot methods, the BIOS may be able to circumvent the standard POST device discovery, and simply program the devices from a preloaded system device table.
It allows users to create a bootable live USB flash drive using an ISO image from a supported Linux distribution, antivirus utility, system tool, or Microsoft Windows installer. The USB boot software can also be used to make Windows 8, 10, or 11 run entirely from USB.
For example, on Microsoft Windows, the user can also choose to boot to the Recovery Console, a small text-based troubleshooting mode kept separate from the main operating system (which can also be accessed by booting the install CD) or to various "safe mode" options that run the dysfunctional OS but with features, such as video drivers, audio ...
The boot program must set up its own stack, because the size of the stack set up by BIOS is unknown and its location is likewise variable; although the boot program can investigate the default stack by examining SS:SP, it is easier and shorter to just unconditionally set up a new stack. [30] At boot time, all BIOS services are available, and ...
In Windows NT, the booting process is initiated by NTLDR in versions before Vista and the Windows Boot Manager (BOOTMGR) 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.
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Pin AOL.com to your Windows 10 Start menu The AOL homepage can be pinned to your Start menu to avoid having to open your browser and manually enter the web address. Pinning an item to your Start menu creates a tile that acts like a shortcut to a website you use the most.
Following the release of Windows 8 in late 2012, it was discovered that certain Lenovo computer models with Secure Boot had firmware that was hardcoded to allow only executables named "Windows Boot Manager" or "Red Hat Enterprise Linux" to load, regardless of any other setting. [184]