Look in your App drawer for Superuser app. If it's there then do this:
Download ES File Explorer. Open it up and go go to menu/settings/Home Directory. Select it and erase /sdcard/, everything except the last /. This will take you to your home directory where you can navigate easier. Check the Up to Root box.
Go down to Root Explorer and check the box.
Go to View/select Details.
Go to File Settings/select "Show Hidden Files
Select Clean History and Cache on exit.
Go back to the main screen.
Go to /system/bin/su (everything will be in alpha-numeric order) Let me know what the permissions of su are (it should be rwxr-xr-x or rwsr-sr-x). If all this looks good then you just need to install BusyBox.
Go to Google Play and download a BusyBox installer. You want to install it to the /system/xbin (usually the /system/bin location will give you a insufficient space message).
Now download a terminal emulator and type in:
su if you get a # your properly rooted.
If you are not rooted and still need some help just pm me.