If your iPad won't turn on, consider these troubleshooting steps:
Check the Battery: Ensure that your iPad has sufficient battery charge. Connect it to a power source using the original charger and cable, then wait for a while before attempting to turn it on.
Hard Reset: Perform a hard reset by pressing and holding the Home button (or the volume down button on iPad models without a Home button) and the Power button simultaneously for about 10 seconds until you see the Apple logo.
Inspect for Damage: Check for any physical damage, like a cracked screen or water damage. If present, it may be a hardware issue.
Connect to iTunes or Finder: Connect your iPad to a computer, open iTunes or Finder, and see if your device is recognized. If it is, try updating the iOS software.
Try Different Charger and Cable: Test with a different charger and cable to rule out any issues with the charging accessories.
If these steps don't resolve the problem, there may be a more serious hardware issue, and it's advisable to contact Apple Support or visit an Apple Store for further assistance.