Phone [Q] Q:My Galaxy s3 is stuck at the samsung galaxy logo screen anybody can help?

so, 1 week ago i rooted my phone and today i just tried to install cyanogenmod and when i tried to install it it seemed like it worked then i tried rebooting it but it just froze at the logo screen can anybody help me with this

also if this is in the wrong category can an op or mod fix it im new to the site