How to reset D-link wireless router to factory default settings?
After ensuring the D-link router is powered on, begin the D-link router reset process. D-link router could be reset by hard reset or soft reset process:
To hard reset, the factory reset button located on the router’s panel should be pressed to hold down, but for soft resetting of the D-link router, login to the d-link router’s web GUI is required via dlinkrouter.local with default credentials mentioned on the router’s label.
Resetting of the d-link router sets it back to the factory default and erases all the current d-link configuration settings.