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Rescue and Recovery to deploy updates, recover from crashes, and provide remote access if the system will not boot or function while booted. Legacy ThinkVantage software ImageUltra Builder to create distributable software structures; Hardware Password Manager to save BIOS, disk, and motherboard passwords in one place [3]
Typical POST screen (AMI BIOS) Typical UEFI-compliant BIOS POST screen (Phoenix Technologies BIOS) Summary screen after POST and before booting an operating system (AMI BIOS) A power-on self-test ( POST ) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on.
An external USB recovery drive is essential in case the data on your hard disk has been compromised up to the point where the system can no longer boot from the hard drive. Reportedly the key combination to have the Lenovo Yoga 11 UEFI firmware boot an external USB drive is "Volume Up" plus the "Windows Key" directly below the screen. [8]
Using some higher-level interface (e.g. Video BIOS) Using another lower-level device driver (e.g. file system drivers using disk drivers) Simulating work with hardware, while doing something entirely different [9] For software: Allowing the operating system direct access to hardware resources; Implementing only primitives
In early August 2012, Lenovo released the first generation of ThinkPad X1 Carbon announced on 15 May 2012. [55] The X1 Carbon weighs 1.35 kg (3.0 lb), has a battery life of roughly eight hours, and has a start-up time of less than 20 seconds. The X1 Carbon was first released in China because of the popularity of ThinkPads in that market. [65]
coreboot, formerly known as LinuxBIOS, [5] is a software project aimed at replacing proprietary firmware (BIOS or UEFI) found in most computers with a lightweight firmware designed to perform only the minimum number of tasks necessary to load and run a modern 32-bit or 64-bit operating system.
Lenovo Yoga (stylized as Lenovo YOGA or simply YOGΛ) is a line of consumer-oriented laptop computers, tablets, and all-in-one computers designed, developed and marketed by Lenovo, named for their ability to assume multiple form factors due to a hinged screen.
During the boot phase, CONFIG.SYS and AUTOEXEC.BAT are executed, along with the configuration settings files WIN.INI and SYSTEM.INI. Virtual device drivers are also loaded in the startup process: they are most commonly loaded from the registry ( HKLM\System\CurrentControlSet\Services\VxD ) or from the SYSTEM.INI file.