how to fix overheating pc

Brilliant Tech expert fixing an overheating PC remotely

Is your PC constantly overheating and slowing down?

Don’t waste time with frustrating slowdowns or sudden shutdowns. Call Brilliant Tech now for instant online computer support and get your PC fixed by experts.

How to Fix Overheating PC (Step-by-Step Guide)
An overheating PC can lead to serious performance issues, system crashes, and even permanent hardware damage. If you’re wondering how to fix overheating PC problems, you’ve come to the right place. Our expert guide from Brilliant Tech will walk you through common solutions to keep your computer running cool and efficient. Follow these practical steps to diagnose and resolve your overheating issues.
1. Clean Out Dust and Debris
Dust is the number one enemy of a cool computer. Over time, dust, pet hair, and lint build up inside your PC’s case, clogging fans, heatsinks, and vents. This acts as an insulating blanket, trapping heat inside. Turn off your PC, unplug it, and use compressed air to blast out dust from all vents, CPU cooler, GPU cooler, and power supply fan. Pay close attention to the fins of the heatsinks. Regular cleaning is crucial for maintaining optimal temperatures.
2. Ensure Proper Airflow Inside the Case
Good airflow is essential for cooling. Make sure your PC case has intake fans pulling cool air in and exhaust fans pushing hot air out. Check that cables inside your case are neatly tied and not obstructing airflow paths. If your PC is against a wall or in a tight enclosure, move it to an open space where air can circulate freely. Consider adding more case fans if your current setup is inadequate, especially if you have high-performance components.
3. Monitor Your PC's Temperatures
Before you can effectively how to fix overheating PC issues, you need to know how hot it actually is. Use free software like HWMonitor, Speccy, or Core Temp to monitor your CPU and GPU temperatures. Check temperatures while idle and under load (e.g., during gaming or heavy tasks). CPU temperatures should ideally stay below 70-75°C (158-167°F) under load, and GPU temperatures below 80-85°C (176-185°F). Knowing these numbers helps pinpoint if a specific component is overheating.
4. Update Your Drivers and BIOS/UEFI
Outdated or corrupt drivers, especially for your graphics card (GPU) or chipset, can sometimes cause components to work harder than necessary, leading to increased heat. Ensure your graphics card drivers are up to date by downloading them directly from NVIDIA, AMD, or Intel’s websites. Also, check for BIOS/UEFI updates from your motherboard manufacturer, as these can include thermal management improvements. Be cautious when updating BIOS and follow instructions precisely.
5. Check Background Processes and Task Manager
Sometimes, an application or process running in the background can unexpectedly spike CPU usage, causing your system to heat up. Open Task Manager (Ctrl+Shift+Esc in Windows) and check the ‘Processes’ tab. Sort by CPU usage to identify any resource-hungry applications you don’t recognize or that shouldn’t be using so much power. Close unnecessary programs or investigate if a program is malfunctioning. This is a simple yet effective step for how to fix overheating PC software-related issues.
6. Reapply Thermal Paste on CPU/GPU
The thermal paste between your CPU (or GPU) and its heatsink degrades over time, losing its ability to transfer heat efficiently. If your PC is several years old and you’ve tried all other solutions, reapplying fresh thermal paste can significantly improve cooling. This is a more advanced step and requires careful removal and reinstallation of the cooler. If you’re not comfortable doing this yourself, Brilliant Tech offers professional assistance.
7. Optimize Power Settings
Windows power plans can affect performance and, consequently, heat generation. While ‘High Performance’ might sound good, it can keep your CPU running at higher clock speeds constantly, even when not needed. Consider using the ‘Balanced’ power plan. You can also adjust advanced power settings to ensure your CPU scales down its frequency when idle, reducing heat output. For laptops, keeping them plugged in and using balanced mode can help prevent overheating.
8. Scan for Malware and Viruses
Malware, viruses, and cryptocurrency miners can secretly run resource-intensive processes in the background, making your CPU and GPU work overtime and generate excessive heat. Run a full system scan with a reputable antivirus program to detect and remove any malicious software. This is a critical troubleshooting step, as an infection can be a hidden cause for your PC running hot.
9. Consider Hardware Upgrades or Replacements
If your PC is old, its cooling system might simply not be adequate for modern tasks, or components might be failing. An old CPU cooler might be insufficient, or a failing power supply could be overworking other components. Consider upgrading your CPU cooler to a more powerful air cooler or an All-in-One (AIO) liquid cooler. If you frequently game or do demanding work, better cooling hardware can make a significant difference in how to fix overheating PC problems long-term.
10. Get Professional Remote Support from Brilliant Tech
If you’ve tried these steps and your PC is still overheating, or if you’re uncomfortable performing some of the more technical tasks, it’s time to call in the experts. Brilliant Tech specializes in remote computer support. We can remotely diagnose the exact cause of your overheating PC, whether it’s software-related, driver issues, or guide you through hardware checks safely. Don’t risk damaging your computer; let our experienced technicians provide a reliable solution.
Call Brilliant Tech now to fix your overheating PC with professional online tech support. We diagnose and resolve the issue safely and efficiently without data loss.
Why Choose Brilliant Tech?
Don’t struggle with an overheating PC. Contact Brilliant Tech today and get your system working perfectly again – cool, quiet, and efficient.
Maps
Video
Support Information
About
Certified tech support team providing online computer support services for USA customers.
Brilliant Tech
Tech Support

Know The Answer of All Your Question

Find quick answers to your most common questions about PC overheating and how to fix overheating PC problems. Brilliant Tech provides expert advice to keep your computer healthy.
It's generally recommended to clean your PC for dust every 3 to 6 months, especially if you live in a dusty environment or have pets. Regular cleaning ensures optimal airflow and prevents heat buildup, helping how to fix overheating PC issues before they become critical.
Yes, software can definitely contribute to an overheating PC. Resource-intensive applications, games, background processes that consume excessive CPU/GPU cycles, or even malware like cryptocurrency miners can push your hardware to its limits, generating a lot of heat.
One-stop online tech support solution by Brilliant Tech providing secure remote computer and software assistance across the USA.

Speak With Our Tech Support Experts Today

+1 (805) 298-1966

Get Tech Support Updates

Subscribe to receive useful tech support tips, system care guides, and updates from the Brilliant Tech team. Stay informed and keep your devices running smoothly.

Scroll to Top