Network lights permanently on

Hi there, I have My Net N900 central working fine for the pass 6 months. But now when I power on,

  1. (INFRONT) just the POWER & HARDDISK lights are on.
  2. (BEHIND) All network lights on all 4 ports are permanently on and I have no connectivity

Hi,

You could refer to the following link: https://support-en.wd.com/app/answers/detail/a_id/18083