[Q] G2 stuck on the Lg Logo topic

Hey guys!
so, yesterday i tried to put a Rom on my Lg g2, but first ill let you know that i almost dont know anything about romming.
so my phone was already rooted a long time ago and i wanted to put cloudyG3 Rom on it! then i installed the teamwin recovey and then i tryed to restart my phone, and well it got stucked on the logo,
i really dont know what to do, i tried to do a wipe which didnt worked and i googled the problem and there are so many things to try and i dont
know which one is gonna work, maby i should try to flash it or use adb but i really cant understand what to do guys! i need help!

i have the LgG2 D802, 16G and it was rooted and have recovey,
for now it wont shut off it always going back to the logo so its really hard to get into download mode and recovey! :crying:
Guys i really hope you could please help me with this problem i dont know what to do! i looked in some xda forum post but i cant figure out what to do!
thank you for any help i would really appriciate it!