[Q] Goes into download mode,when turned on,and then just screen turns blank..! topic

Guys,please help me out.
I am first timer in posting a query on xda-dev.so if i make any mistakes,please let me know..!thank you...!
Issues in my i9082:
i am on a custom rom.
this is "probam-20140312-UNOFFICIAL-i9082-k2wl-build9"
Whenever i start my grand duos,it goes into "Download mode",and then just goes blank within few seconds(3-4).
My device doesnt get into bootloop.
please help me out...!:confused: