How to find your Network Drives (S: and I: Drives).

1: To find your  Network Drives (S: and I), click on File Explorer which is on your task bar or keyboard shortcut Windows key  + E. 

2: On the left hand column, click on the drop down for This PC and you will see the drives listed. 

You can drag and drop to make a shortcut to the drives on your desktop for easy access.