S4 Recovery problem,urgent topic

Hello i wrongly installed aosp s4 google edition 5.0 ,because i flashed gapps with it also which i shouldnt,and when it boots it says unfortunately,the process com.android.phone has stopped and im thinking that i should enter recovery mode and wipe and flash again without gapps but it wont go into recovery mode...i tried cmw recovery and twrp recovery but when i press the volume up and power buttons it says recovery booting but then it restarts,it did the same before but i entered recovery from an app,someone help me