Lenovo x270

[zhoudidkc]

USB WiFi not recommended.



No "Problem Reporting" files attached.
Read FAQ, "Problem Reporting" again. Carefully. Attach all requested files/output.
https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/

i am now using opencore and have a BCM94352HMB Wireless LAN Adapter replaced the original one. however, the brightness control is still not working. the brightness cannot change when i adjust it.

i have whatevergreen.kext put in my kext folder and SSDT-PNLF.aml in my ACPI folder. i don't know how to fix this problem, could you please help?

attached is my efi folder. you can find the config.plist inside it. thank you.

 

[Feartech]

i am now using opencore and have a BCM94352HMB Wireless LAN Adapter replaced the original one. however, the brightness control is still not working. the brightness cannot change when i adjust it.

i have whatevergreen.kext put in my kext folder and SSDT-PNLF.aml in my ACPI folder. i don't know how to fix this problem, could you please help?

attached is my efi folder. you can find the config.plist inside it. thank you.

use MacBookPro14,1

also remove:
enable-cfl-backlight-fix

 

[zhoudidkc]

use MacBookPro14,1

also remove:
enable-cfl-backlight-fix

Enable-cfl-backlight-fix removed. Now brightness control working perfect. Thank you so much!

 

[zhoudidkc]

use MacBookPro14,1

also remove:
enable-cfl-backlight-fix

hi Feartech, i have a new problem. the sound in the headphone is not clear, very noisy. my audio is alc298. any guidance to fix it?

solved after following: Fixing audio and Supported codecs

test results:
perfect by setting alcid = 22 or 29