This article will show you how to restart iPad and also how to reset iPad if it is locked and you don't remember the password.
Steps
Method 1 of 3: How to restart a frozen iPad

Step 1. Find the Power and Home button
The power button is on the top of the iPad, and the Home button is at the bottom of the bezel.

Step 2. Press and hold both buttons until the Apple logo appears

Step 3. Release both buttons
If you hold them down for too long, you will enter recovery mode.

Step 4. Wait for the iPad to boot up
This reboot will fix most minor problems like connection or charging problems.
Method 2 of 3: How to Reset iPad Preferences in iTunes

Step 1. Connect iPad to your computer
If you've forgotten your locked tablet password, use iTunes to reset your iPad. This will erase the data, but allow you to use the device again.
Use this method only if you've previously synced your iPad to your computer using iTunes. Otherwise, use the method described in the next section

Step 2. Open iTunes on your computer
In order to use iTunes to restore your tablet, you had to sync your iPad with that computer.

Step 3. Click on the iPad icon in iTunes
You will find it at the top of the window, next to the library menu.

Step 4. Click the Restore iPad button

Step 5. Click Restore to confirm your actions

Step 6. Wait for iPad to recover
This may take some time. You can track your progress on the iPad screen.

Step 7. Swipe across the screen to start setting up

Step 8. Select your language and country

Step 9. Select the desired wireless network

Step 10. Log in with your Apple ID and password
Everything you bought from the App Store will be restored, as well as data synced from iCloud, such as contacts and emails.
- If you don't remember your Apple ID or password, reset them using the iForgot online service.
- If you need to sign in with the previous owner's Apple ID, log in with their credentials, or delete them from your icloud.com/find account using any web browser. You won't be able to use your iPad until the previous owner deletes it.
Method 3 of 3: How to Reset iPad Settings to iCloud

Step 1. Open a web browser on your computer or mobile device
If you've forgotten your locked tablet password and have never used iTunes to sync your iPad, use iCloud to restore your device.
This method cannot be used if you are not signed in to iCloud on iPad, or if iPad is not connected to a wireless network. In this case, put your tablet into recovery mode to restore your iPad

Step 2. Open the Find iPhone service website
Despite its name, this service works on all iOS devices, including iPad.

Step 3. Log in with your Apple ID and password
If you don't remember your Apple ID or password, reset them using the iForgot online service.

Step 4. Click All Devices
You will find this menu at the top of the window.

Step 5. Click on iPad in the device list
If the device is not recognized because it is disabled, put the tablet into recovery mode to restore iPad.

Step 6. Click on Erase
You will find this button on the iPad information card.

Step 7. Click Erase
The iPad will reset, and it will reboot.

Step 8. Wait for the iPad settings to be reset
This may take a few minutes. You can track your progress on the iPad screen.

Step 9. Scroll down to start setting up your iPad

Step 10. Select the required language and country

Step 11. Select a wireless network
Enter your password if required.

Step 12. Log in with your Apple ID and password
The data stored in iCloud will be restored to iPad.
If you need to sign in with the previous owner of the tablet, log in with their credentials, or delete them from your icloud.com/find account using any web browser. You won't be able to use your iPad until the previous owner deletes it
Advice
- If you need to sign in with the Apple ID of the previous owner of the tablet, log in with their credentials or delete it from your icloud.com/find account using any web browser. You won't be able to use your iPad until the previous owner deletes it.
- If iPad won't charge, try replacing the cable or adapter. If it still won't charge, please reset the settings.