how do I fix this????

[techman]

I have a bootlooped Samsung Galaxy grand duos running cyanogenmod 12.1 . When I connect it to pc it says drivers not installed successfully!!!
Is there a way I can fix the bootloop?!!!
Will appreciate your help!!!

 

[dpham00]

Try another port on the pc

 

[AlphaTango414]

Flash stock firmware via Odin.