forgot password
connect it by the charging cable to the usb port on your computer
if your computer only have usb-a connectors and your cable has usb-c connector
or if your computer only have usb-c connectors and your cable has usb-a connector then
you will need another cable or an usb-c to usb-a converter or usb-a to usb-c converter
usb-c to usb-a converter - Google-
and
An iPad passcode cannot be recovered, reset or modified from another device. If your iPad is disabled, or you have forgotten your iPad passcode, you have no alternative other than to follow this process:
If you’ve forgotten the passcode on your iPad, or your iPad is disabled – Apple Support
You’ll need access to either a PC (with iTunes installed) or a Mac (with iTunes or Finder - as appropriate for the installed version of MacOS).
Download and use iTunes for Windows – Apple Support
Update to the latest version of iTunes – Apple Support
Use of a PC or Mac is unavoidable. You will obviously require a USB cable suitable for your computer and iPad. If you don’t have access to a suitable computer of your own, that of a helpful friend or family member will suffice. Alternatively, the technicians at the Genius Bar of your local Apple Store or Apple Authorised Service Provider (AASP) will be delighted to assist.
You may also need your AppleID and associated password. If these have also been forgotten, they can be recovered here:
To recover your credentials, you’ll need access to one of the following:
Unless you AppleID account has not been fully/correctly configured, or has been seriously neglected, recovery of the AppleID and password should not be difficult.
More information about recovery of your AppleID:
If you forgot your Apple ID - Apple Support
More information about recovery of your AppleID password:
If you forgot your Apple ID password - Apple Support
When you recover access to your credentials, you would be well advised to log-in to your AppleID account from a web browser - and verify/update any email addresses and trusted telephone numbers:
how to connect ipad air 4gen to apple computer?
