If you cannot find storage volumes in the Device Manager, it doesn't mean that they are inexistent because they are hidden by default in the computer. For your better understanding, this guide will tell you how to show hidden devices in Windows 8 computer.
Video guide on how to show hidden devices on Windows 8:
Step 1: Access Device Manager.
Press Windows Logo Key and X key together, and choose Device Manager on the pop-up Quick Access Menu.
Tips: Other methods to access the Device Manager are illustrated in How to Open Device Manager on Windows 8/8.1.
Step 2: Finish related setting in Device Manager.
In the Device Manager window, click View on the Menu Bar and select Show hidden devices in the list.
After these two steps, the hidden devices (e.g. Storage volumes, Storage volume shadow copies…) are shown in the Device Manager.
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