Black Screen - ESP8266 Dstike OLED V5

Hi All, I have a new DSTIKE ESP8266 OLED V5 and whilst uploading the ino via IDE the screen flickered and then went blank.

It is only the screen, the board works.

DSTIKE have been great trying to help me, but I'm missing something.

he recommended to load a new A_config.h file, but the screen is still blank.
I've also tried numerous other thing without success.

I'm stuck and need some help, please