If your iPad won't turn on, there are a few possible causes and solutions:
1. Battery drain: Ensure that your iPad has sufficient battery power by connecting it to a power source for charging. Leave it connected for some time and try turning it on again.
2. Software issues: Perform a hard reset by simultaneously pressing and holding the Home button and the Power button until the Apple logo appears. This can help resolve minor software glitches that may prevent the iPad from turning on.
3. Faulty charging cable or adapter: Try using a different charging cable and adapter to eliminate the possibility of a faulty connection preventing the iPad from powering on.
4. Hardware issues: If the above steps don't work, it's possible there is a hardware problem. Contact Apple Support or visit an authorized service provider for further assistance and diagnostics.
Remember, these are general troubleshooting steps, and if the issue persists, it's best to seek professional help.