On page 7 of the product manual, Insert your SD Card for sharing multimedia files such as video, music, and images. Refer to the SharePort Plus manual for more information. You may access the files on the SD card
by opening a web browser and enter \\dlinkrouter.
Power LED will be blinking blue when SD card is in use. Please do not eject the SD card
until the Power LED is solid blue. Removing SD card while Power LED is blinking will
cause adverse effect to your SD card.
May need to use the browser or Shareport for accessing the SD card and not Explorer.