maix go camera not working

Hello,

I bought five of maix go boards and in four of them camera is not working, ( selfie sketch) gives blurred to no output on LCD screen, one of them is working, I bought it from Amzaon.com,is there something I am missing…?

-Thanks
-Alok

can you put the photos of LCD displays?

here it is

any developments…?

does the ide or terminal says camera reset failed? if it is, the camera module is damaged…