Restarting generally doesn't help, but restarting and resetting the PRAM does, and then the backlight will stay on--until the computer sleeps again. This problem has occurred intermittently in the ...
I've got a friend's computer that has a faulty backlight. Sometimes on bootup the backlight fails to turn on. Also, if the computer attempts to go into standby mode or if the screen turns off it will ...
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