Comment 43 for bug 1203592

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Queeq (i-queeq) wrote :

Kieran's solution doesn't work for Samsung NP940X3L. I tried to set it for the following value:
xxd -p /sys/firmware/efi/efivars/KBDBacklitLvl-5af56f53-985c-47d5-920c-f1c531d06852
0700000005

Backlight goes on briefly during early boot stages but then shuts off.