To resolve the issue of a black screen in Zen Word on your iPad, you can follow these detailed steps:

1. Force Close the App:
- Double-click the Home button or swipe up from the bottom of the screen to access the app switcher.
- Find the Zen Word app and swipe it up to close it completely.

2. Restart Your iPad:
- Press and hold the power button until the "slide to power off" option appears.
- Drag the slider to turn off the iPad.
- Once it's off, press and hold the power button again until you see the Apple logo.

3. Check for App Updates:
- Open the App Store.
- Tap on your profile picture at the top right corner.
- Scroll down to see available updates. If Zen Word has an update, tap "Update".

4. Reinstall the App:
- Press and hold the Zen Word app icon until a menu appears.
- Select "Remove App" and then confirm by tapping "Delete App".
- Once deleted, go back to the App Store, search for Zen Word, and download it again.

5. Check Device Compatibility:
- Ensure your iPad is running on the latest version of iOS. Go to Settings > General > Software Update.

6. Clear Cache (if applicable):
- Some apps allow you to clear cache from within the settings. Check if Zen Word has a cache-clearing option within its settings.

7. Contact Support:
- If you're still experiencing issues after following these steps, it may be beneficial to contact Zen Word customer support for further assistance.

These steps should help you resolve the black screen issue in Zen Word. If the problem persists, you may want to check community discussions or user forums for more tailored help.

For further insights or community experiences, you can refer to - learn more - learn more.