No display, has backlight. Has good vga out to another monitor.

I took my ibook A1133 apart to install a larger hard drive and when put it back together no video to display. Connected another monitor and video works fine there. When I moved the display lid up and down sometimes causes the ibook to shut down. Tried resetting power management to reset it but did not help. Evidently there is a hardware problem. I did notice that on the left side at the hinge the black microphone wire was damaged showing bare wire and also the covering of the video cable was damaged but no notable damage to the wires. Is it the data cable or something else? Since the movement of the lid brings up a shut down box, is there something wrong with the sleep mode? Thank.

Cliff