(adsbygoogle = window.adsbygoogle || []).push({}); I am stuck on recovery menu help

More info needed like:what cfw are you on....what cfw are you trying to get to...is the ps3 jailbroke...are you on dex or cex..what happened to get you stuck???????..?

I am on ps3ita 4.50 dex cfw and i tried installg ccapi 2.50 and it installed but when i started my ps3 it it sent me to recovery mode to re format my hdd and install new fw