Troubleshooting Tips for a Hot PC with a Liquid Freezer


I am using a liquid freezer for cooling my high-end gaming PC. Recently, I noticed that the temperature of my PC increased from 28-29°C to 43°C, and the case felt hot to the touch. I mainly use my PC for playing FIFA 24 and browsing the internet with music. I am not very familiar with PC building or troubleshooting. Could this temperature rise indicate a problem with my liquid freezer or other components? What steps should I take to diagnose and fix this issue? I appreciate any help or advice.


How to Fix a Hot PC with a Liquid Freezer

Liquid cooling is a popular option for gamers and enthusiasts who want to keep their PC temperatures low and performance high. However, liquid cooling is not foolproof, and sometimes problems can arise that cause your PC to overheat. In this article, we will explain some of the possible causes of a hot PC with a liquid freezer, and how to troubleshoot and fix them.

There are several factors that can affect the temperature of your PC, such as the ambient temperature, the airflow in your case, the workload of your CPU and GPU, and the quality of your thermal paste. However, if you have a liquid freezer, there are some specific issues that you should check first, such as:

  • Pump failure: The pump is the heart of your liquid cooling system, as it circulates the coolant through the tubes, radiator, and water block. If the pump fails, the coolant will not flow properly, and the heat will not be dissipated from your CPU or GPU. You can usually tell if your pump is working by listening for a faint humming noise, or by checking the software that came with your liquid freezer. If your pump is not working, you will need to replace it or contact the manufacturer for warranty service.
  • Leakage: Leakage is a rare but serious problem that can occur with liquid cooling systems. If there is a crack or a loose fitting in your tubes, radiator, or water block, the coolant can leak out and damage your PC components. You can check for leakage by inspecting your liquid cooling system for any signs of moisture, stains, or drips. If you find any leakage, you should immediately turn off your PC, unplug it from the power source, and dry off any affected parts. You will also need to replace the leaking part or the whole liquid cooling system, depending on the extent of the damage.
  • Dust buildup: Dust is the enemy of any PC, as it can clog up your fans, filters, and radiator, and reduce the airflow and cooling efficiency. Dust can also accumulate in your liquid cooling system, especially if you have an open-loop system that requires regular maintenance. You can prevent dust buildup by cleaning your PC regularly with compressed air, a soft brush, or a microfiber cloth. You should also check your liquid cooling system for any signs of corrosion, algae, or debris, and flush it with distilled water if needed.
  • Fan failure: The fans on your radiator are responsible for blowing air through the fins and cooling the coolant. If one or more of your fans fail, the radiator will not be able to dissipate the heat effectively, and your PC will overheat. You can check if your fans are working by looking at them, or by using a software that monitors your fan speed and temperature. If your fans are not working, you will need to replace them or contact the manufacturer for warranty service.
  • How to Troubleshoot and Fix a Hot PC with a Liquid Freezer

    If you suspect that your PC is overheating due to a problem with your liquid freezer, you should follow these steps to diagnose and fix the issue:

  • Step 1: Check your PC temperature and performance. You can use a software like HWMonitor, MSI Afterburner, or Core Temp to monitor your CPU and GPU temperature, usage, and frequency. You can also run a stress test or a benchmark to see how your PC performs under load. If your PC temperature is above the normal range (usually between 30°C and 80°C, depending on your CPU and GPU model), or if your PC performance is lower than expected, you may have a cooling problem.
  • Step 2: Check your liquid cooling system. You should inspect your pump, tubes, radiator, water block, and fans for any signs of failure, leakage, or dust buildup. You should also check the coolant level and color, and make sure that there are no air bubbles in the system. If you find any problems, you should fix them as soon as possible, or contact the manufacturer for assistance.
  • Step 3: Check your PC case and airflow. You should make sure that your PC case has enough space and ventilation for your liquid cooling system, and that there are no obstructions or cables that block the airflow. You should also make sure that your fans are configured correctly, and that they create a positive or a balanced pressure inside your case. You can use a software like SpeedFan to control your fan speed and optimize your airflow.
  • Step 4: Check your thermal paste and mounting. You should make sure that your CPU and GPU have a thin and even layer of thermal paste between them and the water block, and that the water block is securely and properly mounted on the CPU and GPU. You should also make sure that the thermal paste is not dried out, cracked, or expired, and that it has a good thermal conductivity. You can use a thermal paste like Arctic Silver 5, Noctua NT-H1, or Thermal Grizzly Kryonaut to improve your heat transfer.
  • Step 5: Test your PC again. After you have fixed any problems with your liquid cooling system, you should test your PC again and see if the temperature and performance have improved. You can use the same software and methods as in step 1, and compare the results. If your PC is still overheating or underperforming, you may have a different problem, such as a faulty CPU or GPU, a malware infection, or a software conflict. You should consult a professional or a forum for further assistance.
  • Conclusion

    A liquid freezer is a great way to cool your high-end gaming PC, but it is not immune to problems that can cause your PC to overheat. By following the steps above, you can troubleshoot and fix most of the common issues with your liquid cooling system, and enjoy a smooth and stable gaming experience. However, if you are not confident or comfortable with working on your PC, you should always seek help from a qualified technician or a reputable service center. Remember, a cool PC is a happy PC! 😊


hope you find this article helpful. Please let me know if you have any feedback or questions.

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