Knowledge Base

What Is Power Limits Throttling? Solution To Your Problem

Using Intel XTU, I discovered the problem and found that the voltage limiting control had been activated. Most Windows users enjoy having numerous apps open at once, and what’s running in the background can quickly deplete your battery.

Have you been notified that the core voltage limit is being slowed down? Do you have a thought that anything is happening with your computer? Don’t be worried; this is only your system’s attempt to protect itself. Thermo protection on your processor comes in two flavors: throttling and automatic shutdown. More details will provide you to understand and find your solution.

What Is Power Limits Throttling

What is Power Limits Throttling?

Limits of Power Throttling occur when your CPU produces excessive heat that takes longer to dissipate. As a result, your CPU goes through this procedure to protect itself from growing temperatures. A core processor defends itself in one of two ways: automatic shutdown or throttling. As a result, throttling exists to protect your CPU from further harm. The current limit is throttling the processor for a variety of reasons, each as common as the one before it.

Each core in your CPU has a default throttle limit, and if the temperature exceeds that level, the CPU will automatically reduce the power to bring the temperature down.

Throttling at the limit is more common in systems that have been overclocked to higher speeds. When you push a CPU to its limits, it produces greater heat. And it is at this point that you will notice such notifications in Windows. If you’re utilizing a low-quality CPU cooler or thermal solution, this could happen. If you’re into overclocking, you’ll want to invest in high-quality CPU coolers.

Reasons to Get Notifications

The following are the three most significant reasons for power limit throttling notifications:

  1. In the XTU, the Processor Power Limits PL1/PL2 are set too low.
  2. The Intel XTU’s Core Voltage Limit is set too low.
  3. The system lacks sufficient cooling and power delivery for the task at hand.

Current Limits Throttling

The current limit is throttling the processor for a variety of reasons, each as common as the one before it. If you view this notification, it is most likely for one of the following reasons:

  1. In the XTU, the Processor Core IccMax is set too low.
  2. The voltage regulator (VR) current in the BIOS or a comparable controller is set too low. The location of the VR current is determined by the motherboard manufacturer.
  3. The motherboard is unable to give sufficient current to the CPU. This could be due to the fact that you have a low-power motherboard and a core processor with a very high Thermal Design Power (TDP). This can happen even if the settings are changed.

How to Control Throttling Limits

Keeping your computer clean is the easiest method to avoid throttling. While the easiest method to manage this is to avoid overworking it, this is easier said than done. Because computers become hot when performing basic tasks, you may need to examine other options.

You can also follow the following guidelines:

  1. Make sure your PC case is large and well-ventilated. Airflow is important for cooling your computer.
  2. Keep your computer or laptop away from direct sunlight. Choose a place in your room that is close to a window so that you can get some fresh air.
  3. More heat is trapped by dirty PC fans and heatsinks. As a result, cleaning PC fans or heatsinks once a month is critical. This method worked well for me in getting rid of the notification for good.
  4. Case fans can also help lower the temperature inside a computer case. To ensure appropriate airflow, use at least two case fans. Cool air will be pumped into the case by one fan, while heated air will be blown outside by the other.
  5. A fan is pre-installed on your power supply and is responsible for the outward movement of heated air. To avoid any heat build-up concerns inside your case, be sure to inspect and clean that fan.
  6. Water cooling is an excellent way to keep your processor cool. There are a plethora of low-cost liquid CPU coolers available that keep your CPU temperature below the throttling threshold. If you overclock your CPU for gaming or other demanding applications, we recommend using water cooling. The best way to avoid power limit throttling mistakes is to use water cooling.

Think Before Buying 

As a result, power limit throttling is most common when your CPU is overclocked, or you have a cooling problem. If you’re into overclocking, you should always keep an eye on your CPU’s temperature to avoid problems like these.

If you don’t want to see errors like this come up on your screen, better cooling is the preferable alternative. If the errors persist after completing the steps above, you should get assistance from a local computer repair shop to resolve the issue. In this article, you know what is power limits throttling

It can be difficult to keep your computer cool, resulting in power limit throttling error messages. The CPU cooler you can keep, however, the better off you’ll be. You won’t have any troubles if you take steps to keep your system cool.

Frequently Asked Questions (FAQs)

Why Is My Power Limit Throttling?

Current limit throttling has three common causes: In XTU, the Processor Core IccMax is set too low. In BIOS, the current limit for the VR (core voltage regulator) is set too low. Even with current restrictions set to the maximum, combining a low-power motherboard with a very high Thermal Design Power (TDP) chip can result in current throttling.

Should I Disable Power Throttling?

Power Throttling is a feature in Windows 10 that optimizes battery life on mobile devices with almost no disadvantages. As a result, unless you’re investigating performance difficulties with a program, changing these parameters isn’t suggested.

Does Power Throttling Affect Performance?

While most benchmarks run smoothly and generate excellent performance results, throttling may impair specific benchmark operations. Power throttling does not apply when running performance benchmarks while plugged in, thus that is our general advice.


Bobby Najar is an avid reader and tech enthusiast. He loves writing about the latest technology and writes reviews on laptops, graphic cards, motherboards, PC rams, etc.

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