Suddenly iPad screen turned black color. Pressing the power button not starting the device.
Reason for the problem
This problem happened after you probably dropped it or set it down too hard.
Tap the iPad in the marked place in image.
Solution 1: (crazy solution suggest by Apple community user)
Drop your iPad at the original angle it was dropped the 1st time. But don’t do it too hard. It might break. Drop in 1 or 2 foot drop on to a carpeted floor.
Lot of iPad users reported this solution solved their issue.
SEE ALSO : How to Fix iPad Green Screen Problem
Solution 2: Reset the device
Press and hold the Sleep, Wake, Power and Home button simultaneously for 16 seconds. Your iOS device will restart.
Connect your iPad to power outlet or computer using USB cable and try to turn on your device.
If you knew any other way to fix “iPad black screen of death” issue, inform us via comment.
I was having the same issue with my iPhone. The display isn't working correctly. For a week, I was also unable to use my phone. A buddy offered this program(AceThinker Fone Keeper) to me to solve the problem with my iPhone display. He also mentioned that I may use a variety of tools, including the ones you mentioned in your post.