Actually changing "brightness" level via ACPI will put display to it's maximum. Revolve 810 notebook present to system both ways but the ACPI method is not working well. Even there is way how this should work there is no standard defined and notebooks can differ. Via ACPI interface or via platform specific driver. I am leaving this only as reference for older versions.īrightness or backlight of integrated monitor can be modified in two ways. Note: Brightness control is working "out of box" on Ubuntu 15.04. If reading of power/control show "auto" then resolution of problem with network is echo on > cable was already plugged while you issue "echo on >" command then re-plug cable to trigger cable detection (nw manager, dhcp, etc.). it is not in sleep state even with no network cable)
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