Ipad Pro 3rd Gen Not Turning On. Press and quickly release the Volume Down button. Turn On Your iPad Pro.
Try doing a hard reset of your iPad. Hold the sleepwake and power buttons for 10 seconds until you get the Apple logo. To force restart iPad Pro press and hold the Power button and Home button altogether and wait for at least 10 seconds until the Apple logo appears on the screen.
Soft reset to force turn off and reboot.
Your iPad Pro should now be off. Turn on and set up your iPad Press and hold the top button until the Apple logo appears. Once its turned off press and. Try doing a hard reset of your iPad.