---
title: "Discussion on \"What Happens When a Computer is Turned On?\" | Hashnode"
description: "Discussion on \"What Happens When a Computer is Turned On?\". Difficulty: Beginner\nReading Time: 5 min read\nLast Updated: June 30, 2025\n\nWhat Happens When a Computer is Turned On?\n💡 What really happens inside your computer the moment you press the power button?\nIt’s a process most of us take for granted—but be..."
url: "https://hashnode.com/posts/what-happens-when-a-computer-is-turned-on-1-1/68b584ddf5a0058c4152195f"
---

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# [What Happens When a Computer is Turned On?](https://bare-metal-thoughts.hashnode.dev/what-happens-when-a-computer-is-turned-on-1-1?utm_source=hashnode&utm_medium=feed)

Difficulty: Beginner Reading Time: 5 min read Last Updated: June 30, 2025 What Happens When a Computer is Turned On? 💡 What really happens inside your computer the moment you press the power button? It’s a process most of us take for granted—but be...

Sep 1, 2025 · 2 min read · bare-metal-thoughts.hashnode.dev  
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-   [#operatingsystems](https://hashnode.com/tag/operatingsystems)
-   [#linux-boot-process](https://hashnode.com/tag/linux-boot-process)
-   [#bios](https://hashnode.com/tag/bios)
-   [#mbr](https://hashnode.com/tag/mbr)
-   [#boot](https://hashnode.com/tag/boot)
-   [#bootloader](https://hashnode.com/tag/bootloader)
-   [#GPT](https://hashnode.com/tag/GPT)
-   [#bootprocess](https://hashnode.com/tag/bootprocess)

## Written by

[Abdulhai Mohamed Samy](https://hashnode.com/@LordSnow)

@LordSnow

  
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Your guide through the Software black box.

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