WB5x CDC com port issue

[YDong.3]

Hi, 

I have a problem with USB CDC on STM32WB55CE,

My Project version is v1.13.& ble stack(stm32wb5x_BLE_Stack_basic_fw V1.15.0)

it's all good on WB55CG(1M)

but when I use WB55CE(512K)

my CDC can work with no ble stack,

and it will failure with stack, My computer cant recognize CDC.

[Javier1]

https://community.st.com/s/question/0D53W00001GNSAUSA5/usb-cdc-device-not-being-recognised-by-windows-stm32wb5m-bluetooth-low-energy

[YDong.3]

Hi @Javier Muñoz​ 

I followed this issue's answer is still not working.

Any recommended tools for debugging?