Brightness problem not control

[cane2010]

I'm having a problem with the brightness control. It only works at 0% black screen, and even at 1% it goes to maximum brightness. I'm running Sequoia 15.5, but I can't seem to fix it.
Thanks in advance.

The sidebar and key button work for brightness

 

[EliteMacx86]

I'm having a problem with the brightness control. It only works at 0% black screen, and even at 1% it goes to maximum brightness. I'm running Sequoia 15.5, but I can't seem to fix it.
Thanks in advance.

The sidebar and key button work for brightness

Use the SSDT-PNLF.aml provided in the OC package.