D-Link dnr-312l User Manual page 21

Section 2 - Installation
The wizard will scan for attached storage devices and display Physical Disk
Information. You will have the opportunity to format any devices found.
Formatting the device will erase all data.
Click Next if you would like to proceed with formatting.
Note: You can select Skip if you do not want to change the HDD configuration
or are unsure of which settings to choose.
If you clicked Next, you will see this warning: ... All data will be erased. Do
you wish to continue?
Click Yes to proceed with formatting the hard drive.
D-Link DNR-312L User Manual 17