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My PC will not power on. What should I do?
My PC will not power on. What should I do?

Get solutions to common problems that prevent a PC from turning on.

Updated over 6 months ago

Introduction

When your PC refuses to power on, it can be frustrating and confusing. However, there are several common issues that could be causing this problem, and with a systematic troubleshooting approach, you can often identify and resolve the issue. This knowledge base article will guide you through the steps to diagnose and potentially fix the problem.

1) Check the Basics

Power Source:

  • Ensure the power outlet is working by plugging in another device.

  • Verify that the power cable and power supply unit (PSU) are in good condition.

  • Check the power switch on the PSU; it should be in the "on" (I) position.

Wall Socket:

  • Use a different wall socket to eliminate the possibility of a faulty socket.

2) Inspect the Hardware

Loose Connections:

  • Make sure all power cables, including the main motherboard power connectors (24-pin or 20+4-pin) and CPU power connector (4/8-pin), are securely attached.

  • Check connections for components like RAM, graphics card, and storage devices.

RAM Modules:

  • Reseat the RAM modules in their slots.

  • If you have multiple RAM sticks, try booting the PC with just one at a time to identify any faulty RAM.

Graphics Card:

  • Re-seat the graphics card in its slot.

  • If your CPU has integrated graphics, you can also try removing the graphics card and connecting your monitor directly to the motherboard.

3) CMOS Battery

Dead Battery:

  • Although unlike, the CMOS battery on the motherboard may be dead. The CMOS battery on the motherboard can cause power issues. Check if it's securely seated and, if necessary, replace it.

4) Power Supply Unit (PSU)

Test the PSU:

  • If you have a PSU tester or a spare PSU, use it to see if the power supply unit is functioning correctly. If not, replace it.

5) Motherboard

Motherboard Issues:

  • Inspect the motherboard for any visible damage or burnt components.

  • Ensure the motherboard is properly installed in the case and not short-circuiting against the case itself.

6) External Factors

Peripherals:

  • Disconnect all unnecessary peripherals, USB devices, and expansion cards to rule out potential conflicts.

Faulty Components:

  • It's possible that a malfunctioning component, such as a faulty motherboard, RAM, or CPU, is causing the issue. Consider testing each of these components in a known working system to identify the culprit.

7) BIOS and Boot Settings

BIOS Settings:

  • Sometimes incorrect BIOS settings can prevent a PC from booting. Reset the BIOS to its default settings and try booting again.

Conclusion

If you've gone through all the steps and your PC still won't power on, please make sure to contact our support team by submitting a ticket. In the case of a faulty component under warranty, we can help repair and replace your components.

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