I am connected to arduino mega and the matrix is connected to 5V 3A power supply.

I also made sure everything is connected and made sure to change

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`#define CLK 8`

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`#define CLK 11`

The example code i tried testshapes_32x64.ino(also any other code show the same thing(pink and white)):

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`// testshapes demo for RGBmatrixPanel library.`

// Demonstrates the drawing abilities of the RGBmatrixPanel library.

// For 32x64 RGB LED matrix.

// WILL NOT FIT on ARDUINO UNO -- requires a Mega, M0 or M4 board

#include <RGBmatrixPanel.h>

// Most of the signal pins are configurable, but the CLK pin has some

// special constraints. On 8-bit AVR boards it must be on PORTB...

// Pin 11 works on the Arduino Mega. On 32-bit SAMD boards it must be

// on the same PORT as the RGB data pins (D2-D7)...

// Pin 8 works on the Adafruit Metro M0 or Arduino Zero,

// Pin A4 works on the Adafruit Metro M4 (if using the Adafruit RGB

// Matrix Shield, cut trace between CLK pads and run a wire to A4).

//#define CLK 8 // USE THIS ON ADAFRUIT METRO M0, etc.

//#define CLK A4 // USE THIS ON METRO M4 (not M0)

#define CLK 11 // USE THIS ON ARDUINO MEGA

#define OE 9

#define LAT 10

#define A A0

#define B A1

#define C A2

#define D A3

RGBmatrixPanel matrix(A, B, C, D, CLK, LAT, OE, false, 64);

void setup() {

matrix.begin();

// draw a pixel in solid white

matrix.drawPixel(0, 0, matrix.Color333(7, 7, 7));

delay(500);

// fix the screen with green

matrix.fillRect(0, 0, matrix.width(), matrix.height(), matrix.Color333(0, 7, 0));

delay(500);

// draw a box in yellow

matrix.drawRect(0, 0, matrix.width(), matrix.height(), matrix.Color333(7, 7, 0));

delay(500);

// draw an 'X' in red

matrix.drawLine(0, 0, matrix.width()-1, matrix.height()-1, matrix.Color333(7, 0, 0));

matrix.drawLine(matrix.width()-1, 0, 0, matrix.height()-1, matrix.Color333(7, 0, 0));

delay(500);

// draw a blue circle

matrix.drawCircle(10, 10, 10, matrix.Color333(0, 0, 7));

delay(500);

// fill a violet circle

matrix.fillCircle(40, 21, 10, matrix.Color333(7, 0, 7));

delay(500);

// fill the screen with 'black'

matrix.fillScreen(matrix.Color333(0, 0, 0));

// draw some text!

matrix.setTextSize(1); // size 1 == 8 pixels high

matrix.setTextWrap(false); // Don't wrap at end of line - will do ourselves

matrix.setCursor(8, 0); // start at top left, with 8 pixel of spacing

uint8_t w = 0;

char *str = "AdafruitIndustries";

for (w=0; w<8; w++) {

matrix.setTextColor(Wheel(w));

matrix.print(str[w]);

}

matrix.setCursor(2, 8); // next line

for (w=8; w<18; w++) {

matrix.setTextColor(Wheel(w));

matrix.print(str[w]);

}

matrix.println();

//matrix.setTextColor(matrix.Color333(4,4,4));

//matrix.println("Industries");

matrix.setTextColor(matrix.Color333(7,7,7));

matrix.println("LED MATRIX!");

// print each letter with a rainbow color

matrix.setTextColor(matrix.Color333(7,0,0));

matrix.print('3');

matrix.setTextColor(matrix.Color333(7,4,0));

matrix.print('2');

matrix.setTextColor(matrix.Color333(7,7,0));

matrix.print('x');

matrix.setTextColor(matrix.Color333(4,7,0));

matrix.print('6');

matrix.setTextColor(matrix.Color333(0,7,0));

matrix.print('4');

matrix.setCursor(34, 24);

matrix.setTextColor(matrix.Color333(0,7,7));

matrix.print('*');

matrix.setTextColor(matrix.Color333(0,4,7));

matrix.print('R');

matrix.setTextColor(matrix.Color333(0,0,7));

matrix.print('G');

matrix.setTextColor(matrix.Color333(4,0,7));

matrix.print('B');

matrix.setTextColor(matrix.Color333(7,0,4));

matrix.print('*');

// whew!

}

void loop() {

// Do nothing -- image doesn't change

}

// Input a value 0 to 24 to get a color value.

// The colours are a transition r - g - b - back to r.

uint16_t Wheel(byte WheelPos) {

if(WheelPos < 8) {

return matrix.Color333(7 - WheelPos, WheelPos, 0);

} else if(WheelPos < 16) {

WheelPos -= 8;

return matrix.Color333(0, 7-WheelPos, WheelPos);

} else {

WheelPos -= 16;

return matrix.Color333(WheelPos, 0, 7 - WheelPos);

}

}

Thanks!