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  • It's either an option in the firmware (UEFI, you don't have BIOS) or it isn't. Commented Jul 4, 2022 at 15:41
  • No, it isn't an option in the BIOS/UEFI. Commented Jul 7, 2022 at 14:02
  • For those thinking it is a BIOS-thing: No, it isn't. The integrated GPU gets around 64-128MB for booting tasks, then it is up to the OS to see how much of the RAM it reserves for the GPU. This is also shared with additional dedicated GPUs which might be installed. If you boot the same machine into Kubuntu, it will have close to the full amount of RAM available for applications to use, no problems there. Microsoft's view on this is ridiculous.
    – Daniel F
    Commented Feb 5 at 23:59