USB HS Configuration for STM32f750-DK board on STM32 Cube IDE.

Hi,

I have recently purchased STM32f750-DK discovery board,I have configured USB HS and USB FS both for Communication Device Class on STM32 Cube IDE. Code is generated and Built without any Error but On debugging USB FS Port detects on My PC as Com Port but USB HS port not detects.

can any body suggest some solution/configurations for the same?