My iMac 27" no longer finishes starting up. About 24 seconds after pushing Start button, machine quits, screen goes black.
Any ideas what the problem might be?
iMac 27", OS X 10.10
Any ideas what the problem might be?
iMac 27", OS X 10.10
Please use the trouble shooting steps in If your Mac doesn't turn on or start up located by clicking https://support.apple.com/en-us/HT204267
Please use the trouble shooting steps in If your Mac doesn't turn on or start up located by clicking https://support.apple.com/en-us/HT204267
My iMac 27" no longer finishes starting up. About 24 seconds after pushing Start button, machine quits, screen goes black.