I was given a slightly beat HP laptop when one of my customers upgraded. The video chipset still works (i.e. works fine when attaching an external display) but the screen itself is acting up. When the computer is powered up, the backlight turns on but there is just a single vertical line of colored pixels. I know all of the pixels work because if I tap the side of the screen they will display normally at any given time, but then the picture seems to get distorted or slowly burns out. So I'm thinking the inverter is junk, which is an easy enough fix... but I wanted to ask someone who has a bit more experience with this sort of thing. Any ideas?