Brightness Slider Issue[Msi Gt 710]

How to fix no brightness slider found in the tray??

sudo lshw -c video:

       description: VGA compatible controller
       product: GK208B [GeForce GT 710]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:26:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
       configuration: driver=nvidia latency=0
       resources: irq:80 memory:f6000000-f6ffffff memory:e8000000-efffffff memory:f0000000-f1ffffff ioport:e000(size=128) memory:c0000-dffff

I tried The latest 470 version but no change.

I’ve searched for a solution for a while - one of my computers has the same issue. I blame the dual GPU. And there’s no way to disable hybrid graphics in BIOS.

I’ve tried brightness-controller - it works but a less than optimal fix. Some other suggestions here: screen - Ubuntu 20.04 brightness adjust not working - Ask Ubuntu

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