<!-- from fixya rte -->Blank screen on ipad how can i get it back - Apple iPad 2 Wifi 16GB

You can try the default password or just remove the password. Follow below steps to do that.

Generally, the default passcode can be 1234 or 123456, and the digits rely on the blank number.

If this won't work, try below method.

When you find "iPad asking for passcode I never set", it is sensible for you to remove iPad passcode by restoring iPad with iTunes. The precondition is that you have backed up your iPad to iTunes before you forgot the passcode. Now let's begin to see how to get this work done.
1. Run the latest version of iTunes on your computer and then make sure that you do not connect your iPad with your computer.
2. For iPad with Face ID, you need to press and hold the top button or the volume button till you see the slider of power off shows up on the screen. Drag the slider from left to right to turn off your iPad. After that, plug your iPad into computer while holding the top button. You need to hold it until the recovery-mode screen appears.
For iPad with home button, you need to press and hold the slide or top button till you see the power off slider interface. Drag the slider from left to right to turn off your iPad. Afterwards, you need to insert your iPad into computer with proper USB cable while holding the home button. You need to hold the button until the recovery-mode screen displays.
3. In the interface of iTunes, you will see a dialogue for you to restore or update, you need to choose the option of "Restore" in the panel. Thus, iTunes will download program for your iPad. You need to wait for over 15 minutes until your iPad exit the recovery mode. Thus, you need to repeat steps 2-4.

4. Wait for the end of the procedure to set up and use your iPad without a passcode.
The process to remove iPad passcode via restoring iPad with iTunes is not so hard for you at all. You can give it a go to help you to pass through the passcode inquiry simply.

For more details, check: Fixed: iPad Asking for Passcode I Never Set

This problem is a common one, sometimes the servers run slow, but if the problem continues, try this uninstall the app, wait a few minutes then reinstall the app your log in data will be removed so you will have to re enter it

Hard reset is usually power button and home button together five seconds or until screen blanks to small spinning circle icon.sometimes you need to hold the volume up button as well.

Sounds to me like you have way too many apps loaded on your Ipad. Go through and uninstall some.

Triple click the home button. Then double tap the VoiceOver off button. This should allow the device to return to normal operation. Then you can reset by pressing and holding both buttons (power and home) until it resets if you need to.

Try shutting off your iPad first. (Hold the power button for a second or two) and select the shutdown option. After the iPad shuts down and screen has blanked out, hold the power button to restart it again. When the iPad comes back up, try to launch the game again. This usually clears most app starting problems. Let me know the out come.

You could try to reset the iPad. Press the home button and the on / off button together and hold them till the light goes out.about 5 seconds. Then the apple logo comes back and in within one minute the starts screen should reappear.
I hope it works, because I would hate it if your grandson had to turn over his piggy bank. (Joking)

It also may make you reset the iPad. Not sure why it does that after getting any update.

You need to connect the iPad with an USB-cable to a computer and open iTunes software. there you will see your iPad showing up and you can do a restore: Restore iPad to new factory condition

It is quite possible that you will need the LCD replaced as it might have become damaged in the fall.. To see, reset the iPad by pressing and holding the home button and the power button at the same time, when the screen flickers and turns off release the home button only. If the iPad turns on but still has white screen, you most likely will have to have it replaced...