### Screen brightness after suspend in Ubuntu

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Many laptops have their screens dimmed after returning from “suspend” and cannot get back to their original brightness. The bug hasn’t been fixed for 3 years. A fix is provided in the bug report by putting something like the following in /etc/rc.local: brt=cat /sys/devices/virtual/backlight/acpi_video0/brightness abrt=cat /sys/devices/virtual/backlight/acpi_video0/actual_brightness if (( $brt !=$abrt )) ; then echo… Read more »