phone is stratup.but not show main screen

[AC Question]

hi.my device is android 4.0.4.when i open press power on button.it open and once vibrate it.but it cant open.what can i do.it dnt show a main screen when phone is turn of.it show only firstly opened screen of my coompny name show.

 

[B. Diddy]

Welcome to Android Central! What phone are you using? Give the exact brand and model name/number. Are you saying it turns on, but freezes at the opening brand logo screen, and never shows your homescreen?