HARD DRIVE FORMATTING GUIDE (FOR WINDOWS)
STEP 1: Type the key combination Windows + R to open the window Run.
STEP 2: Type DISKMGMT.MSC and confirm with Enter or OK to access Disk management.
Your hard drives will appear as "unknown"
Example: Hard drives of 120 Go & 500 Go
Disk 2 : 119.24 Go
Disk 3 : 465,76 Go