iMac 2007 won't boot in normal mode just grey screen
Hi everyone
I have a 2007 iMac, it won't boot in normal mode, it chimes, the Apple logo appears and a spinning ball, then just a blank grey screen. It does boot in safe mode, I've run all the disk utilities etc, repaired permissions etc, even did a clean install of the OS X Snow Leopard (originally it had Lion on it), but to no avail. I've reset the PRAM, SMC etc, I've tried everything you usually come across to help with this problem.
Has anyone any suggestions of what else I could try?
Many thanks