Use BIOS and set to discrete GPU only

Use Kernel 5.10.0: https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10/

# Add ppa for getting proprietrary Nvidia drivers
sudo add-apt-repository ppa:graphics-drivers/ppa

# Install Nvidia drivers
sudo ubuntu-drivers autoinstall

# Prevent open-source nouveau from running its own Nvidia drivers
sudo bash -c "echo blacklist nouveau > /etc/modprobe.d/blacklist-nvidia-nouveau.conf"
sudo bash -c "echo options nouveau modeset=0 >> /etc/modprobe.d/blacklist-nvidia-nouveau.conf"

Fix Nvidia Brightness

$ cat /usr/share/X11/xorg.conf.d/21-nvidia-brightness.conf

Section "OutputClass"
     Identifier "nvidia"
     MatchDriver "nvidia-drm"
     Driver "nvidia"
     Option "RegistryDwords" "EnableBrightnessControl=1"
EndSection

Append the following to /etc/initramfs-tools/modules

$ cat /etc/initramfs-tools/modules

# Other settings...
nvidia
nvidia-drm
nvidia-modeset

# Update initramfs
sudo update-initramfs -u