Please Help Me!!!

i have LG P880
I Upgrade it To 4.1.2 And every thing goes Fine !
Then Im Tried TO In Install CM 12 On It
I Just followed up all The procedures and i Unlock the bootloader and root it Well!
and Still everything Is Alright
Then I want to install a custom recovery its CWM 6 or Something
I download an apk that called 'LG X4 HD recovery '
when i finish i press 'recovery boot' and when the device restarted the device Just keep stacked in LG logo
I Cant use my Phone Any more !!!:crying:
then i decided to use LG Support Tool To Recover My phone Again and I Have All The Drivers Installed in My PC
But The Device cannot Detect My Phone
How I Can Bring My Phone Back To Life??
Please Help ME!!!