Problems when cold won't start
Hi I am on my 4th logic Board.
2011 in MBP
just recently after 8 months of having a ne logic board put in. Its having the above . slow start up. And if very cold. the system boots Apple has lines, Bit grey. And then forever grey screen.
Forced shut down, re start, Its OK.
I have re set all permissions, mac clean.
Still slow starting up from warm.