When connecting the 32L152C-Discovery board, it looks like STLink Dongle.​ How do I change the STLink Dongle to COM PORT?

It is the starter that started now. We are currently using the STM32L152C-DISCOVERY board.I have used HAL_LCD_WRITE as shown below, but nothing is displayed on the LCD.HAL_LCD_WRITE (& hlcd, LCD_RAM_REGISTER0, 0x0000, 0xffff);orHAL_LCD_WRITE (& hlcd,...