iMac will not boot up
My iMac will not boot up (past the apple on the screen) unless I unplug it from the power source for 30 seconds. How can I fix this? I am currently using High Sierra 10.13.3
iMac, macOS High Sierra (10.13.3)
See if resetting the SMC helps >> How to reset the System Management Controller (SMC) on your Mac - Apple Support