My display is not responding to this code. Help please

#include SPI.h
#include Wire.h
#include Adafruit_GFX.h
#include Adafruit_SSD1306.h

#define OLED_MOSI 10
#define OLED_CLK 9
#define OLED_DC 12
#define OLED_CS 13
#define OLED_RESET 11
Adafruit_SSD1306 display(OLED_MOSI,OLED_CLK,OLED_DC,OLED_CS,OLED_RESET);


void setup(){
  Serial.begin(9600);
  display.begin(SSD1306_SWITCHCAPVCC);
  display.clearDisplay();
  
  display.setTextSize(1);
  display.setCursor(30,30);
  display.print("Hello WOrld");
  display.display();
  }

  void loop(){
    
    }