What is Power-On Self-Test (POST)?

POST is an operation a computer initiates right after it has been turned on but before booting up the OS. Learn how POSTs help preempt system problems.
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.

Power on Self-Test - an overview

PC Power On Self Test POST - Custom Build Computers

What Is POST? (Power On Self Test Definition)

4 Power On Self Test (Post), PDF, Bios

PC POST / POSTing explained and Guidelines to fix Power-On-Self-Test Errors

What Is Power On Self Test (POST)? How Does It Work

BIOS stops during Power On Self-Test (POST) after applying iDRAC9 4.00.00.00 firmware

PC POST / POSTing explained and Guidelines to fix Power-On-Self-Test Errors

POST Troubleshooting Steps

Motherboard BIOS and Troubleshooting - ppt download