while using my 3 month old macbook on battery, the screen went "over bright" and remains distorted. The colors are pixelated, severe, mostly white and black and everything is indistinct. I have "zapped" the pram. I have reinstalled with disc 1, targetting the utilities. I have re-set the display properties repeatedly. If I reduce the brightness, it doesn't not impact the distortion. It resembles a vector illustration that is not crisp at all.