If you are not prompted to initialize the drive and you cannot find the drive in Finder, you will need to create a partition on the drive. If you are prompted to initialize the drive, click Initialize.Scan the hard drive which shows abnormal behaviour like hard drive empty but shows full. Method 2: – Scan Hard Disk to Fix Hard Drive Appears Empty But Isn’t. Type DIR/A f:-s (here f is the drive letter, replace it with your external hard drive letter) Now press Enter key from the keyboard.