What happens to the standard modules when you have installed a new Joomla! version without the sample data?
When you install Joomla! without the sample data, several modules are not installed as a default. As a result, you will not find them in your module manager. Joomla! nevertheless has installed the modules and they can be activated by following these steps:
Step 1: Go to the module manager.
Step 2: Click on new module.
Step 3: Select the module from the list.
Step 4: Activate the module and set the parameters if needed.