ps4 wont update please help

when i turn my ps4 on i have the 2.55 update but when i try installing it nothing happens all is says is please wait i left in on for about an hour hoping it would download but nothing happened and i cant even sign in to my account pleae help

EDIT: I provided advice in this Dupe thread since you provided more details, but since you were incredibly hostile in the other duplicate thread I removed my helpful post.

Stop making dupe threads an hour apart:

http://www.gamespot.com/forums/playstation-nation-1000002/cant-sign-on-my-ps4-cause-it-wont-update-32189837/?messageId=343513123#js-message-3