I am attempting to fix a broken LCD screen for a friend in an A1278 13" Macbook. I ordered the LCD from iFixIt and installed it. However, upon boot up I get the grey screen with the Apple Logo, the Grey Pinwheel, and a Progress bar. The Progress bar progresses about 1/10 of the way, pauses, then goes away leaving just the still spinning grey pinwheel. The grey pinwheel will spin forever so far as I can tell (I've left it overnight). A few notes: * I've tried two LCD cables. Neither worked. * The iSight camera fell out at first, I think I hooked it up properly. If I did't would that cause this issue? Thanks in advance. More Info: * I checked the hard drive, everything seems properly connected. Other than the LCD the macbook was working prior to disassembly. * I put the original LCD back in and the issue seems to persist.