Q: I have a black screen on powering up after installing this update. My computer screen is black for at least 30 or so seconds now when powering up. Never had this before. What has happened?
What has happened since this update. I did install the so called fix a few days ago, but no better/
MacBook Pro with Retina display, OS X Yosemite (10.10.3)
Q:I have a black screen on powering up after installing this update. My computer screen is black for at least 30 or so seconds ...I have a black screen on powering up after installing this update. My computer screen is black for at least 30 or so seconds now when powering up. Never had this before. What has happened?more
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by OGELTHORPE,
OGELTHORPE
Apr 21, 2015 6:24 AM
in response to pjorlando
