Imac shut off
Imac won't turn on. How can I tell if it was hacked or just old?
iMac, macOS 10.12
Have a look here https://support.apple.com/en-us/HT204267
2 replies
Does it do anything when you press the power button?
If it does nothing, check the power cord on the back of the iMac and the wall outlet for power.
see > If your Mac doesn't turn on or start up - Apple Support
If it tries to startup, but then displays a blank or symbol screen.
see > About the screens on your Mac as it starts up - Apple Support
Imac shut off