My cloud not accessible

My Cloud OS 3 Personal & Network Attached Storage My Cloud
3

Try option A first because if it is a network problem option A might fix it.

Option B is the one that will reset all the modifications you’ve made, but it does not erase your data.

use a timer to do this process, if you hold the reset button for more than a minute, then your data will be erased.
And yes, I’ve done this before when I lost my password and it worked perfectly.