Recently I've been beginning to have trouble with the LCD backlight on my 2006 MBP. For no apparent reason it will turn off while the computer is running and I can do nothing to increase the brightness. It is as if the backlight setting is all of the way down (I can barely see the images on the screen if I have a lamp behind the screen) Any ideas what I can do to fix this? A PMU reset hasn't really been able to change anything. After sitting, off, for a week or two I can get about 30 minutes of backlight out of it, then it fails again. Also, I assume the backlight is the fluorescent type. Is this built into the LCD housing? Would the repair for this be to replace the entire LCD? It's a shame as this LCD is barely 1.5 years old. Thanks for your help!