HI, I am using ThinkPad Lenovo T530 laptop and I am on Fedora 23 beta. I cannot adjust my screen brightness with the shortcut keys. I tried several options like appending "acpi_backlight=vendor" to GRUB_CMDLINE_LINUX but didn't work. Automatic brightness adjustment that comes with GNOME 3.18 is also not working (I am not sure whether my laptop has a light sensor).
Any help to get this fixed is highly appreciated, the brightness is so high that it hurts eyes when working for hours. -- Best Regards, Kalpa Welivitigoda +94776509215 http://about.me/callkalpa
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