Mac went dark and will not start up nothing at all. No sound. Nothing on screen?
Computer screen black nothing no sound absolutely nothing.
MacBook Pro 15″, macOS 10.15
Hi there.
If you’re not seeing anything, and hearing no sound at all, then it could possibly be a hardware-related issue.
Refer to the article here: https://support.apple.com/en-us/HT204267
And if all fails, you’ll most likely have to contact Apple Support.