My imac screen isn’t working?
I can hear it start up and power down but the screen remains black, what can I try?
I can hear it start up and power down but the screen remains black, what can I try?
shut down and disconnect all external devices except mouse and keyboard
reset the smc
How to reset the System Management Controller (SMC) on your Mac - Apple Support
repeat 2 or 3 times
reset the nvram
How to reset NVRAM on your Mac - Apple Support
repeat 2 or 3 times
shut down and disconnect all external devices except mouse and keyboard
reset the smc
How to reset the System Management Controller (SMC) on your Mac - Apple Support
repeat 2 or 3 times
reset the nvram
How to reset NVRAM on your Mac - Apple Support
repeat 2 or 3 times
If resetting the SMC and NVRAM doesn’t help, you can rule out hardware issues by running the Apple Hardware Test on your Mac.
My imac screen isn’t working?