mactel-support team mailing list archive

[kcleung@xxxxxxxxxxxxxxxxxxxxx]

I am running Ubuntu Studio 13.04 on Macbook aluminium late 2008.  I
noticed that when the computer become idle and the screen turns black,
the backlight fails to turn off.

I can tell the backlight is still on because when the computer is
active and I turn the screen light to the minimum, the screen is
darker than when the computer is left idle in the normal brightness
setting.

This would certainly waste a lot of battery power and shorten the life
of the backlight.