Why is the screen flickering and turning black?
Five month after i bought it, the screen starting flickering like in the video posted here (http://www.youtube.com/watch?v=FhDMnHqB3...) and then it turns black or very dark, Things that i tried:
1- Restarting (didn't work)
2- Tilting the screen (didn't work)
3- Resetting the PRAM (didn't work)
4- Repaired Permissions (didn't Work)
5- Opening in Safe Mode (Worked) -
So i thought it was a software problem not a hardware one, and after reading a lot of forums i narrowed it down to a version bug, so i replaced the system with the original version that came with it (10.5.5)
It worked fine for a couple of months and recently the problem occurred again but this time the safe mode trick didn't work and there is no flickering screen just black. (The system was working fine while the black screen was on )
So i think it was a hardware problem all along but i can't figure out why the safe mode solved the problem temporarily.
Also in order to make sure the Graphic card is working fine, i connected the MacBook during the recent black screen error to an external screen and it worked fine.
So if anyone knows what the problem might be please tell me ?
Is this a good question?