"Hi, thanks for the help! :)
 
From Arducopter wiki:
Make sure the CG (center of gravity) of the copter is dead center. Then run the level command on a flat surface. (hold disarm for ~15 seconds to invoke.) You can also fly in auto-trim mode in a…"

"Hi all, i solved the problem and got my quadrotor to fly up.
However it wont lift off vertically. Instead, it went forward.
I tried changing some PID values.
Any advices from you guys?
 
Thank you very much?
 "

"Bring up my post. Need some help/ advice.
Thanks!!"

"There is one more problem. I set to 'X' configuration to fly the quadcopter and set to fly in Stabilize mode.
I held the quadcopter in my hands and push the throttle to 3/4 power. ( im using a 2cell battery now, changing to a 3cell soon). When i…"