How to Fix PC Turns On but No Display or Beeps?

If you’ve encountered a frustrating situation where your PC powers up, but there’s no display on the monitor and no reassuring beeping sounds, don’t worry – you’re not alone. This issue can be perplexing, but it’s one that many computer users face at some point. Fortunately, most of the time, it’s something you can resolve without professional help. In this guide, we’ll explore the steps to diagnose and fix the “PC turns on but no display or beeps” problem.

We’ll delve into various aspects of both hardware and software troubleshooting, enabling you to identify and resolve the issue. Let’s get your PC back in action!

Why the PC Turns On but No Display or Beeps?

Imagine you press the power button on your PC, and it starts up as expected. However, the monitor remains blank, and you don’t hear those familiar beeping sounds that indicate a successful boot. This issue is quite perplexing because your PC seems to be running, but there’s no visual feedback.

Importance of Addressing the Issue

Fixing this problem is crucial for various reasons. It could be a simple loose cable causing the issue, or it might be a more severe hardware problem. Regardless, addressing it promptly can save you from potential data loss and the hassle of using a malfunctioning PC.

Check the Basics

Before diving into intricate troubleshooting, start with the basics. It’s amazing how often simple things can cause this issue.

Verify Power Source and Connection

First, double-check that your PC is connected to a power source and that the power outlet is working. You need to ensure all power cables are properly connected.

Inspect Monitor and Cable

Examine your monitor for any power or connection issues. If you’re using a VGA or DVI cable, ensure they’re securely attached to both the PC and monitor.

Restart the PC

Sometimes, a simple restart can resolve the issue. So, hold the power button down until your PC shuts off, wait a few seconds, and then turn it back on.

Hardware Troubleshooting

If the basics check out, it’s time to dig deeper into hardware-related problems.

Reseat RAM and GPU

Remove and reinsert your RAM sticks and Graphics Processing Unit (GPU) into their respective slots. Sometimes, a loose connection can lead to a “no display” problem.

Test with Another Monitor

If possible, connect your PC to a different monitor to rule out monitor issues. Check if it works on another monitor, then your original monitor might be the culprit.

Check for Loose Cables

Inspect all internal and external cables for loose connections, especially those connecting the motherboard, power supply, and GPU.

Inspect the Motherboard for Physical Damage

Look for any visible damage on the motherboard, such as burnt areas or damaged capacitors. If you spot issues, it’s best to consult a professional.


Issues related to BIOS and CMOS settings can also cause this problem. So, here are the steps that you need to go through.

Reset BIOS Settings

If your BIOS settings have gone awry, resetting them to their default values might resolve the issue. So, check your motherboard’s manual for instructions.

Clear CMOS

Clearing the CMOS settings can help when your PC refuses to boot correctly. Thus, most motherboards have a CMOS jumper or a button for this purpose.

Update BIOS Firmware

Outdated BIOS firmware can lead to compatibility issues. So, check your motherboard manufacturer’s website for the latest BIOS updates and follow their instructions for updating.

Graphics Card

The graphics card plays a significant role in the display process, making it a key component to inspect. Here are the steps that you need to carry out:

Diagnosing Potential GPU Issues

If your GPU is faulty, it can cause a “no display” problem. You need to ensure that your GPU is seated properly and check for any visible damage.

Reinstall or Replace the Graphics Card

Try reinstalling the graphics card or replacing it with a spare if available. You must also ensure that you’ve uninstalled previous drivers before installing a new GPU.

Troubleshoot Driver Problems

Outdated or corrupt graphics drivers can lead to display issues. So, download the latest drivers from the manufacturer’s website and reinstall them.

Memory (RAM)

RAM issues can also be at the root of this problem. Thus, here are the steps you can take to verify the situation.

Testing and Reseating RAM

Test each RAM stick individually to identify faulty modules. Thus, reseat the RAM securely in its slots.

Replacing Faulty RAM Sticks

If you determine that one or more RAM sticks are faulty, replace them with new ones that are compatible with your motherboard.

CPU and Power Supply

The central processing unit (CPU) and power supply unit (PSU) are critical components to inspect. You also need to go through its components to detect the faults.

Inspect CPU and PSU Connections

Ensure the CPU is properly seated, and all power cables are securely connected to the motherboard and components.

Test with Another Power Supply Unit

If you suspect the PSU is the issue, try using another power supply unit to see if that resolves the problem.

CPU Issues and Solutions

Issues with the CPU can lead to a “no display” problem. So, consult your CPU’s documentation or the manufacturer’s support for guidance on diagnosing and resolving CPU-related issues.

Motherboard Troubleshooting

The motherboard is the backbone of your PC, so it’s essential to ensure it’s functioning correctly. You need to go through these steps to detect the root cause of the error.

Inspect for Damaged Capacitors

Examine the motherboard for any visibly damaged capacitors. If you find any, consider replacing the motherboard.

Check for Short Circuits

Short circuits on the motherboard can cause various issues. Thus, carefully inspect the motherboard for signs of electrical damage and address any problems you find.

Repair or Replace the Motherboard

If you suspect a motherboard issue and can’t resolve it through other means, then you might need to consider repairing or replacing the motherboard.

Monitor Troubleshooting

Sometimes, the issue might be with the monitor itself. To detect whether the monitor is at fault, here are the steps that you need to take.

Monitor Not Turning On

If your monitor doesn’t power on, make sure it’s plugged in and the power button is functioning. You can also try a different power outlet and cable if needed.

Monitor Settings and Controls

Check your monitor’s settings and controls for any adjustments or configurations that might have been changed inadvertently.

Monitor Replacement

If you’ve ruled out all other possibilities and the monitor is the problem, then you can consider replacing it with a new one.

Software and Operating System

Software issues can also contribute to the “no display” problem. So, here are the steps that you must implement.

Boot into Safe Mode

Attempt to boot your PC into Safe Mode, which loads only essential drivers. Now, if it works in Safe Mode, you may have a software conflict.

Update Graphics Drivers

Outdated or incompatible graphics drivers can cause display problems. So, you have to ensure your drivers are up-to-date.

Operating System Issues

Sometimes, issues within the operating system can lead to this problem. So, perform a system restore or repair your operating system as necessary.

Advanced Troubleshooting

If you’ve exhausted all other options and the problem persists, it may be time to consider more advanced troubleshooting methods. We have listed the points and you can have a look at them.

Hire Professional Help

If you’re not comfortable or able to diagnose and fix the issue, consulting a professional technician is a wise choice.

Diagnostic Tools and Error Codes

Use diagnostic tools provided by your motherboard or PC manufacturer to identify specific hardware problems. You need to pay attention to error codes during the boot process.

Backup and Data Recovery

Before taking drastic actions, ensure your important data is backed up, and you have a plan for data recovery.

Preventing Future Issues

Once you’ve resolved the “PC turns on but no display or beeps” problem, it’s essential to prevent it from happening again. Here’s how you can do it.

Regular Maintenance

Regularly clean the inside of your PC, remove dust, and ensure all components are properly seated.

Surge Protection and UPS

Invest in surge protectors and uninterruptible power supplies (UPS) to safeguard your PC from power-related issues.

Proper Shutdown Procedures

Always shut down your PC using the operating system’s “Shut Down” option to prevent abrupt power cuts.

In Conclusion

The “PC turns on but no display or beeps” problem can be perplexing. However, with patience and the right troubleshooting steps, you can usually get your computer back on track. Whether it’s a loose cable, faulty hardware, or software issues, this guide has covered a wide range of solutions to help you resolve the problem. Moreover, this will get your PC running smoothly once more.

Remember, computer troubleshooting is a skill that can be learned, and fixing your PC issues can be a rewarding experience. So, don’t be discouraged if you encounter such problems. With the knowledge gained here, you’ll be better equipped to handle them in the future.


1. How do I reset the BIOS settings?

To reset your BIOS settings, you can typically enter the BIOS during the boot process by pressing a specific key (commonly Del or F2). Once in the BIOS, look for an option to reset to default settings, often called “Load Optimized Defaults” or a similar term. Confirm the action, save, and exit the BIOS.

2. Can a faulty CPU cause a “no display” issue?

Yes, a faulty CPU can lead to a “no display” problem. Issues like overheating, bent pins, or electrical damage can affect the CPU’s functionality and cause display issues. If you suspect a CPU problem, consult your CPU’s documentation or seek professional help.

3. What should I do if I can’t access Safe Mode?

If you can’t access Safe Mode, you can try using a Windows installation media to access advanced startup options. Also, boot from the installation media, choose “Repair your computer,” and you should have access to various troubleshooting tools, including Safe Mode.

4. How often should I clean the inside of my PC?

Regular maintenance is essential to keep your PC running smoothly. Also, cleaning the inside of your PC every 3-6 months is a good practice. However, if you notice excessive dust buildup or temperature issues, more frequent cleaning may be necessary.

5. What’s the role of the CMOS battery in this problem?

The CMOS battery on the motherboard provides power to the BIOS settings when the PC is turned off. If the CMOS battery is dead or low on power, it can lead to BIOS settings being lost or corrupted, potentially causing the “no display” problem. Thus, replacing the CMOS battery can resolve this issue.