05-03-2017 10:32 AM
Welcome to HP Forums, this is a great place to get support, find answers and tips.
Thank you for posting your query, I'll be more than glad to help you out.
I understand that you wanted to know if you will lose all the pictures if you are locked out of the home screen.
In order to assist you better, let us know the model number of the unit and the operating system installed on the computer from the links below:
You have a good day ahead.