So I tried to load the i915kms module. There is a problem here and it's not hardware related since it's effed up on my 2 laptops.
Brightness control works thanks to acpi_video on the T530 but not on the 6450b.
So I tried to load the i915kms module. There is a problem here and it's not hardware related since it's effed up on my 2 laptops.
Brightness control works thanks to acpi_video on the T530 but not on the 6450b.