Why is my mac not finishing its startup?
My mid 2012 macbook will start but not finish its startup. Apple hardware test finds nothing wrong, I've tried SMA and PRAM resets, disc repair finds nothing wrong, and safe boot doesn't solve the problem. I've wiped and reinstalled the OS successfully, but when I go to restart it goes to a gray screen with the do not enter sign. Note: I replaced the hard drive a few weeks ago and it worked fine until yesterday.
Is this a good question?