В dmesg прочитал следующее:
[ 0.291828] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[ 0.292582] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
В dmesg прочитал следующее:
[ 0.291828] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[ 0.292582] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness