Power-on self-test - Wikipedia
网页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. [1] POST processes may set the initial state of the device from firmware and detect if any hardware components are non-functional.
What is Power on Self Test (POST)? How Does It Work
网页2023年2月6日 · Power on self-test (POST) is a system diagnostic process that is carried out by the BIOS right after you power on the computer. The main function of this test is to see if the components connected to your computer are functioning well.
What is POST(Power-On-Self-Test)? - GeeksforGeeks
网页2020年6月3日 · A power-on self-test (POST) is a set of routines performed by firmware or software immediately after a computer is powered on, to determine if the hardware is working as expected. The process would proceed further only if the required hardware is working correctly, else the BIOS (Basic Input Output Software) would issue an …
What is Power-On Self-Test (POST)? - TechTarget
网页A Power-On Self-Test (POST) is an operation initiated by a computer after it has been turned on but before it boots up the OS. The computer's firmware -- BIOS , Unified Extensible Firmware Interface ( UEFI ) or another system -- carries out this operation by running a diagnostic testing sequence to determine if the computer's essential hardware ...
What is POST (Power-On Self-Test)? - TrustEd Institute
网页The Power-On Self-Test (POST) is a series of diagnostic tests performed by BIOS or UEFI during the initial startup of a computer to ensure that its hardware components are functioning correctly. POST verifies and detects hardware like processors, memory modules, I/O devices, and storage devices and checks for critical errors.
加电自检 - 维基百科，自由的百科全书
网页加电自检 （英語： Power On Self Test，简称“POST”），又称为“ 上电自检 ”、“ 开机自检 ”，是计算机 BIOS设备 的一个重要功能，主要用于在BIOS加载 操作系统 之前检查计算机设备硬件是否存在问题，进而保证计算机的正常运行。. [1] 在设备启动的过程中，自检 ...
What Is POST? (Power On Self Test Definition) - Lifewire
网页2023年6月22日 · POST, short for Power On Self Test, is the initial set of diagnostic tests performed by the computer right after it's powered on, with the intent to check for any hardware related issues. Computers aren't the only devices that run a POST. Some appliances, medical equipment, and other devices also run …
What Is POST (Power-on Self Test)? - MUO
网页2021年8月18日 · What Does POST Mean? POST stands for Power-On Self Test. As the name suggests, it's a process that occurs when the computer is powered on. When your computer first turns on, the first thing that actually initiates is the system's BIOS. This stands for Basic Input/Output System.
Power-On Self-Test (Post)
网页Definition of Power-On Self-Test (Post): POSTs are a type of internal tests that machines perform when they start or reset. POST is a program that checks if the microprocessor works as intended.
Full Introduction to POST and It’s Different Types of Errors
网页2023年3月30日 · What Is Power-on Self-test. What is POST? POST, referred to as Power-On Self-Test, is the initial setup of its power-on purpose to determine if there are hardware-related issues with the computer for proper diagnostic testing. The computer is not the only device running POST.
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