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11 April, 08:46

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. 11 April, 09:03
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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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