What is a POST code? (Power on Self Test Code) – Knowligent
What is a POST code? (Power on Self Test Code)

What is a POST code? (Power on Self Test Code)

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Summary by Lifewire • Simple and Relax on Youtube • Published 16 years ago

This article explains what a POST code is and how to identify its meaning.

what is POST (Power On Self-Test)

A POST code is a 2-digit hexadecimal code generated during the Power On Self Test.

Before the BIOS has tested each component on the motherboard, this code can be executed to a POST test card inserted into a specific expansion slot.

If a particular part of the test fails, you can view the last generated POST code using the POST card. This will help you determine which hardware failed the first test.