M65 lost left click after playing with dpi max!

Hello guys ive been using my m65 pro long time now. i did swap my case too a older module becouse click did brake off at case but luckily the OLD M65 case fitted olmost perfectlyt and it did contine working like nothing happend. yesterday i did test an dpi settings and went maxed out just for try. i was playing little. and my game crashed ... and suddenly left click didnt register anymore. i should contact with you guys earlier but i did try frimware updates and **** like that. i find one solutsion that if you use a pointi end at the button underneeth weighs it will disable some mode and you can enter mouse and copy there something. im a windows user. it dosent regonize my mouse anymore icue. can anyone help me plz.