Advanced in Tech & Business

How to Fix Problems that Occur During the POST

Sometimes your computer may actually turn on, but an error message during the Power On Self Test (POST) will stop the boot process. Other times, your PC may simply freeze during the POST with no error at all. Maybe all you see is your computer maker’s logo.

There are a number of BIOS error messages that can display on your monitor and several reasons why a PC might freeze during the POST, so it’s important to step through a logical process like the one I’ve created below.

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Difficulty: Average

Time Required: Anywhere from minutes to hours, depending on why the computer stopped booting during the POST

How to Fix Stopping, Freezing, and Reboot Issues During the POST

Walk through these steps in order to address the most likely and easier-to-solve tips first.

  1. Troubleshoot the cause of the BIOS error message you see on the monitor. These


PC Won’t POST? 4 Ways to Fix It

When you power on your computer, one major thing happens even before you see anything on the screen. It is called the power-on self-test (POST). Essentially, POST checks if all the components in your computer are working as they should. This includes input devices, RAM, CPU, motherboard, and graphics card. Your OS loads after all components pass the POST.


However, sometimes you can encounter a POST error, and it’s always good to know how to deal with it.

How to Identify a POST Error

A power-on self-test error is usually easily identified. There are two primary symptoms of a POST failure:

  1. There is a constant or irregular beeping sound whenever you power on your computer. Some motherboards also have LED lights that flash or even a digital display with an error code if there is a POST error. Refer to