Unhappy [Q] Flash screen during factory reset

Well this my first question in the xda and I expect it to be useful.
I successfully rooted my phone and installed supersu.
But there are a few major problem I am facing.Firstly I cannot get to CWM recovery. when i click the recovery option , the phone just switches off.I am using mobile uncle tools to go to recovery mode.Second, i cannot reset my phone. when i click factory reset in setting, the phone switches off and screen flashes with a loading bar and happens all the time.Please assist my the solution of this problem. There was no error during the root process.