I have no photos or video yet systems show 2 gig on hd

I just bought a mac pro and setting up. When I go to "about this mac, then storage it shows 1.35 gb of photos and 1/2 gig of audio.

I have not yet loaded content so not sure what this is. The represents 1% of my storage capacity (120 gb) on my drive.

Any thoughts on how to find this content?

I have installed iPhoto and office mac but again not content.

Thanks