If you still see the black screen on Mac, something else could be the problem. If your Mac was off due to power, try charging it for no less than ten minutes before attempting to power it back on. To rule out any power issues, listen closely if your Mac produces any noise - from the hard drive or fans. Is your power on? Is power being transferred from the socket to you Mac? Examine if your charger cable is intact and if your Mac is charging. Note: These solutions apply to MacBook Air too. To fix the MacBook Pro booting black screen problem, you will start with simple solutions to complex and technical solutions How to Fix MacBook Pro Booting Black Screen
Solution #7: Reset Mac’s NVRAM settings.Solution #6: Start up from macOS Recovery.Solution #5: Force Reboot your MacBook Pro.Solution #3: Adjust your display’s brightness.Solution #2: Disconnect all peripherals.How to Fix MacBook Pro Booting Black Screen.Why is my MacBook Pro booting black screen?.These solutions will also work for a black screen on a Mac mini, iMac, or MacBook Air. This article helps you fix the MacBook Pro Booting Black screen. In this guide, you’ll get 12 solutions to Fix MacBook Pro booting black screen Take a deep breath, and try the tips below before you fork out for a repair or take a trip to your nearest Apple Authorised Service Provider or store. You're likely to immediately start to worry about how much it will cost to fix, but let's not panic yet. Let us know the results, and have a good day.A lack of any sign of activity on your MacBook Pro screen is perhaps one of the most worrying issues you can face when booting up your device. Then sign in to the new user account and see how it goes when you try changing your wallpaper. Check out this link for the exact steps to create a new account: Set up users, guests, and groups on Mac - Apple Support
You can also test in a newly created administrator account, which will help work out if this issue is system-wide or user-account specific. Once you start up in safe mode, see if you can set a wallpaper and then click Apple menu () > Restart. On either the first or second login window, you should see ”Safe Boot” in the upper-right corner of the window." Release the key when you see the login window, then log in to your Mac.Turn on or restart your Mac, then immediately press and hold the Shift key as your Mac starts up.How to use safe mode on your Mac - Apple Support For your Mac model, you'll use the steps below. This performs a basic disk check and then prevents some items from loading on startup, so it could help rule out possible causes. If so, we'd like to have you take two steps to help narrow this down. As we understand it, your Mac wallpaper turned black and when you try to set a different wallpaper, you get the same result.