Cannot undervolt cpu on OMEN 40L

[Svens1]

I am currently trying to undervolt my cpu since the temperature is going through the roof even though the usage is barely over 40-50% on a few cores. It should not be the fans/airflow that is the problem (though I have not change the stock thermal paste on the cpu which might also help). But I have tried to use both the OMEN gaming hub and the Intel Extreme Tuning Utility but none of them  are letting me lower the core voltage offset below 0 due to undervolt protection.  The BIOS does not seem to contain any option regarding this protection, so I am wondering if there is another way I can undervolt the cpu or disable the undervolt protection. 

BIOS version: F.20-09/14/2023

Processor: 13th Gen Intel(R) Core(TM) i7-13700K

[Sneha_01]

Hi @Svens1,

Welcome to HP Support Community.

Thank you for posting your query, I will be glad to help you.

Undervolting a CPU can help reduce temperatures, but recent hardware and firmware updates have implemented measures to prevent undervolting due to security vulnerabilities (e.g., Plundervolt). Here's a detailed approach to address your issue:

Steps to Undervolt Your CPU on an OMEN 40L

Update BIOS and Drivers:

• Ensure your BIOS is up-to-date. Sometimes, BIOS updates add new features or settings.
• Check if there are any updates available for your system from the HP Support website.

Check for BIOS Options:

• Restart your computer and enter the BIOS setup by pressing the appropriate key (usually F10, Del, or Esc) during boot.
• Thoroughly check all sections, especially advanced CPU settings, for any mention of "Undervolt Protection," "Voltage Offset," or "CPU Voltage Control."
• If you find such options, enable the ability to undervolt or disable undervolt protection.

Use ThrottleStop:

• Download ThrottleStop, a utility that can allow undervolting on some systems even when other methods fail.
• Run ThrottleStop, and go to the "FIVR" (Fully Integrated Voltage Regulator) tab.
• Check the "Unlock Adjustable Voltage" box.
• Adjust the "CPU Core Voltage Offset" slider to a negative value. Start with a small offset (e.g., -50mV) and gradually increase while monitoring stability and temperatures.
• Click "Apply" and check if the temperatures decrease.

Alternative Cooling Solutions:

• Replace the stock thermal paste with a high-quality thermal compound. This can significantly improve thermal conductivity and reduce temperatures.
• Consider upgrading your CPU cooler to a more efficient aftermarket solution (e.g., a high-performance air cooler or an all-in-one liquid cooler).
• Ensure proper case airflow: manage cable clutter, add more case fans, or adjust the fan curves for better cooling performance.

I hope this helps.

Take care and have a good day.

Please mark this post as “Accepted Solution” if the issue is resolved and if you feel this reply was helpful click “Yes”.

Rachel571

HP Support

[Svens1]

Thank you for the response!

However, when I look for the undervolt protection or any ability to undervolt in the BIOS I cannot find anything that will enable me to undervolt the cpu. I did uptate the BIOS to the F.24-04/10/2024 version but did not find such options with the updated version either. 

I have also tried to use ThrottleStop, but when I change the 'Offset Voltage' to e.g. -50mV and click apply, the Offset to the right does not change. The setting itself gets changed and applied, but the Offset in the upper right table still says '+0.0000'. I can increase the Offset Voltage which gets applied and displayed in the table, but not decrease it. I saw somewhere that I could try to deactivate the 'Virtualization' in the BIOS to get around this error, so I did, but it did not help in this case. Is there another way to undervolt the cpu or something else I can do with the BIOS that will enable this?

[Sneha_01]

Hi @Svens1 ,

We are sorry that the issue is not resolved when the above troubleshooting steps were performed.

Unfortunately, there are no further actions we can take through this channel. I recommend reaching out to our phone support for further assistance.

1. Click on this link -  https://support.hp.com/us-en

2. Select the country.

3. Enter the serial number of your device.

4. Select the country from the drop-down.

5. Click on "Show Options".

6. Fill out the web form. A case number and phone number will now populate for you.

Please feel free to contact us here anytime you need any further assistance.

Have a great day!

Rachel571 

HP Support