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5 March, 21:02

What test does startup UEFI/BIOS perform when you first turn on a computer to verify it can communicate with essential hardware devices?

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  1. 5 March, 21:14
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    Power-On Self-Test (POST)

    Explanation:

    When a computer is turned on, the UEFI/BIOS will perform a Power-On Self-Test sequence to ensure that all the basic hardware connected to it e. g RAM, Keyboard, hard disks, are working properly. Faults are flagged, usually with a beep but this can vary between different systems and configurations
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