Solved Ram Will Not Recognise Macbook Pro 15 Mid 2009
Chosen Solution I was replacing the keyboard and mouse on a 2009 MacBook Pro that a friend of my families’ had. When I had replaced all of the parts it came to the part where’d I have to test my repair job. so I power it on and all, and I’m greeted with a single tone that repeats every 5 seconds, according to Apple, that means there is no detectable RAM, even though I replaced the RAM with the original set of DIMMs....