Flashing volume issue on iPad after various troubleshooting attempts
Same as others: taken out of case, done force restart, updated iOS, reset to factory settings, but no joy.
[Re-Titled by Moderator]
iPad, iPadOS 17
As described, one or other of the iPad's physical buttons may have suffered damage - and may require repair.
You would be best advised to visit the Genius Bar at your local Apple Store or Apple Authorised Service Provider (AASP) where the technicians will be able to test and assess your iPad - and you can explore your available options: