bohenao

>  > my values ​​can be seen from ioreg any lucky to improve the backlight?

Here is mine:

> Its working for you? Not yet. I thought the problem might be the maxium light value increased by keyboard function key is only to 0xCC5C instead of 0xFFFF.

use the newest Whatevergreen (1.45 ? )and the SSDT-PNLFCFL in the package, disable applebacklightsmoother.kext then have a try.

If you boot into black screen, close the lid and reopen it (if doesn't work, do it agian ...)

Wifi and bluetooth are working like charm.

I have tested USB-C to DP with a samsung 4k monitor. Always get Kernel Panic when you plug this monitor in or boot with this monitor plugged in: Source: /Library/Logs/DiagnosticReports/.contents.panic...

> It does work for me USB-C to DP, > MSI OptixMAG341CQ monitor, > Dell XPS 9300 non 4k > OC 0.6.3 > > ![Screen Shot 2020-12-07 at 6 00...

> You're probably not in S3 mode. Please check your bios settings. Make sure S3 sleeping is enable. I have check the bios(1.30) and did not find the s3 setting...

Thanks, here is the screen shot: