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  • Posts: 8
  • Registered: ‎05-24-2021
  • Location: Austria
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Limiting the power and memory frequency of a discrete graphics card when running on battery power

2021-05-24, 20:53 PM

Good afternoon. I have a laptop Lenovo Legion 5: 15", R7 4800H + RTX 2060, DOS. I recently noticed that when working on battery power, regardless of the power mode (quiet, balanced (performance mode is not available when powered by battery)) and regardless of the video card mode (discrete, hybrid), the memory frequency of the discrete video card is limited to 200 MHz and 35W. After a reboot, it happens that the memory runs at a normal frequency and the video card consumption is 50W, but not for long. This raises several questions.
1. What is the memory frequency and what is the power consumption for the RTX 2060 when powered by a battery?

2. If my case is not the norm, then how can I solve the problem?

3. I tried to remove the drivers using DDU and install different versions from the Nvidia website, but I ran into another problem. When installing the driver, the error "This Nvidia graphics driver is not compatible with this version of Windows 10" occurs. Only installation from the Lenovo website and subsequent update with GeForce Experience helps. What is the reason for this?

I will be very grateful for your answers!


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  • Message 2 of 2

Re:Limiting the power and memory frequency of a discrete graphics card when running on battery power

2021-05-25, 10:17 AM

Hi VolgaStalingrad,


Welcome to the Community Forums


What version of Windows 10 are you running ? If you are still on any of the later 1908/1909/2004 versions, then that might be why the latest Nvidia drivers from the Nvidia sites comes up as incompatible, but if you are on 20H2, then I am unsure of why you are getting a Win 10 version incompatibility warning.


Meanwhile here's some things you can try to remedy the issue:


Updating BIOS and Chipset drivers
Make sure you have the latest BIOS, Chipset & Power Management drivers for your device.  
You can find and install the newest drivers from the Lenovo Support Page
Just plot in the serial number of the device and hit enter, might have to press it twice, then head to Drivers & Software then BIOS, Chipset & Power Management section.
**Note: Make sure the AC adapter is connected and that you have at least 30% battery charge when performing these update.








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