If you add any new disk to your machine, Acronis Disk Director Lite will notice the configuration change and scan the added disk to include it to the disk and volume list. If the disk is still not initialized or, possibly, has a file structure unknown to the machine system, that means that no programs can be installed on it and you will not be able to store any files there.
Acronis Disk Director Lite will detect that the disk is unusable by the system and needs to be initialized. The Disk management view will show the newly detected hardware as a gray block with a grayed icon, thus indicating that the disk is unusable by the system.
If you need to initialize a disk:
(To finish the added operation you will have to commit it. Exiting the program without committing the pending operations will effectively cancel them.)
After the initialization, all the disk space remains unallocated and so still impossible to be used for program installation or file storage. To be able to use it, proceed normally to the Create volume operation.
If you decide to change the disk settings it can be done later using the standard Acronis Disk Director Lite disk tools.