Fydeos

No sound and no light from backlit keyboard after full installation of FydeOS into system emmc

Hardware:
Lenovo Ideapad Flex 5 CB 13IML05
Intel i3 10110U (4GB RAM)
64GB eMMC

FydeOS for PC v21 (Modern Intel) installed
Chromium 138.0.7204.255

What works:
Touch screen
Keyboard inputs
Touch pad
Wifi
Bluetooth

What dosent works:
No sound from speakers
No light from backlit keyboard

Developer mode enabled
Linux environment enabled

What do i need to do to install the sound drivers or something to get my speakers working again?
I verify that it works previously with its original ChromeOS and WindowsOS but not on FydeOS.

FydeOS offers limited support for Chromebooks in exchange for broader device compatibility. We recommend using ChromeOS instead, unless it has reached end of life.