stuck on CyanogenMod logo after rebooting

[AC Question]

So I checked the other topics and nothing helped me. Here's my problem I Flashed CyanogenMod via Odin on my samsung galaxy s3 after rooting it but I can't make it work anymore since its stuck on the Cyanogen Logo indefinetely, i'd like to get it back to normal state even if all my contacts and other stuffs.

 

[dpham00]

Mod Note, I will move this to the s3 forum for more visibility