Hi. the brightness control on the laptop monitor does not work . Lenovo b570e laptop model.
Please help me fix this
OS: Solus 4.1 fortitude
Kernel: x86_64 Linux 5.6.19-159.current
Shell: bash
Resolution: 1366x768
GNOME 3.36.4
WM: BudgieWM
CPU: Intel Pentium B950 @ 2x 2.1GHz [55.0°C]
GPU: Mesa DRI Intel(R) HD Graphics 2000 (SNB GT1)
RAM: 1679MiB / 3849MiB