Why is my notification / status bar disappearing?

[AC Question]

notification / status bar disappears

i had htc one xl, the problem i am facing is that the status bar disappears, apart from this i am unable to change the wallpaper now(earlier when the status bar was working i had a wallpaper too but now there is no wallpaper only a sort of black theme)
pls suggest how to overcome this problem

 

[B. Diddy]

Re: notification / status bar disappears

Welcome to Android Central! Do you still have all of your app shortcuts on the homescreen? Can you still swipe from homescreen to homescreen?