I trying different fresh live USB: 20.04, 22.04, 22.10 and 23.04-beta
Only 23.04-beta can't adjust brightness level of display backlight on my laptop (lenovo legion 5 17ach6h).
Processor: AMD Ryzen™ 7 5800H with Radeon™ Graphics × 16
Graphics: AMD Radeon™ Graphics / AMD Radeon™ Graphics
I trying different fresh live USB: 20.04, 22.04, 22.10 and 23.04-beta
Only 23.04-beta can't adjust brightness level of display backlight on my laptop (lenovo legion 5 17ach6h).
Processor: AMD Ryzen™ 7 5800H with Radeon™ Graphics × 16
Graphics: AMD Radeon™ Graphics / AMD Radeon™ Graphics
So I posted the same bug: https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/2015255