Raym92
Level 1
(8 points)
Desktops
Q: iMac screen pitch black after Apple chime keyboard not working
Hi all I fresh installed El Capitan through internet from mountain lion when it finished installing after 30mins I turned the iMac on scree is black however the apple start up chime works no powet on the keyboard its a late 2012 model please help thanks in advance
iMac
by a brody,Apple recommended
a brody
Level 9
(66,781 points)
Classic Mac OS
https://support.apple.com/en-us/HT204156 should answer most of your questions..... Only when your Mac is over 4 years old there is a PRAM battery which if not replaced may force you to use the SMC instead of PRAM reset.
