---
title: "What can I do if my computer won't turn on?"  
description: "What can I do if my computer won't turn on?"  
author: "Baishakhi Ghosh"  
published: 2023-09-28  
updated: 2023-09-29  
canonical: https://answers.mindstick.com/qa/101771/what-can-i-do-if-my-computer-won-t-turn-on  
category: "troubleshooting"  
tags: ["troubleshooting"]  
reading_time: 2 minutes  

---

# What can I do if my computer won't turn on?



## Answers

### Answer by Kshitij Agrawal

**When your computer refuses to turn on, it can be a perplexing and concerning situation. However, a systematic [approach](https://www.mindstick.com/interview/985/what-are-the-approaches-that-you-will-follow-for-making-a-program-very-efficient) to [troubleshooting](https://www.mindstick.com/articles/1617/desktop-troubleshooting) can often help diagnose and potentially resolve the issue. Start by checking the basics: ensure that your computer is plugged into a [functional](https://www.mindstick.com/interview/655/explain-about-functional) power source and that the power cable is securely [connected](https://www.mindstick.com/interview/126/define-connected-and-disconnected-data-access-in-ado-dot-net) to both the computer and the electrical outlet.** Confirm that the power button is functioning correctly, as a stuck or malfunctioning power button can prevent startup. If there is no response when you press the power button and you've ruled out power source problems, it's worth investigating the power supply unit (PSU), which might need replacement if faulty.

**Next, disconnect all external devices and peripherals, as sometimes a malfunctioning external device can interfere with startup. Reconnect them one by one to identify any problematic devices.** Internally, open the computer case (if comfortable doing so) and inspect [internal](https://www.mindstick.com/interview/956/describe-the-accessibility-modifier-protected-internal) connections, ensuring that [components](https://www.mindstick.com/interview/604/what-are-the-components-of-struts) like RAM modules, [graphics](https://www.mindstick.com/articles/336067/html-graphics-using-html) cards, and cables are securely seated in their respective slots and connectors. Loose or improperly connected components can lead to startup failures. Resetting the CMOS or BIOS settings to default can also help resolve certain boot problems.

**[Testing](https://www.mindstick.com/articles/101/acceptance-testing) the RAM by reseating modules or using known working RAM can rule out memory-related issues. Additionally, disconnecting unnecessary peripherals like keyboards and mice can help isolate the problem. Visually inspect the motherboard, power supply, and other components for signs of physical damage, including burn marks, as damaged components may need replacement.**

If all else fails and your computer still won't turn on, it's advisable to seek [professional](https://www.mindstick.com/articles/167321/how-to-handle-business-logistics-professionally) assistance from a qualified technician. Complex [hardware](https://www.mindstick.com/blog/303100/best-pc-hardware-2023) problems may require specialized knowledge and tools to diagnose and repair. Remember to take precautions, such as grounding yourself to prevent electrostatic discharge, when working inside your computer case, and if you're unsure about any troubleshooting steps, it's safer to consult with a professional to avoid further damage to your system.


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Original Source: https://answers.mindstick.com/qa/101771/what-can-i-do-if-my-computer-won-t-turn-on

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