# Can’t get Matrix to show Anything at all

**URL:** <https://rpi-rgb-led-matrix.discourse.group/t/can-t-get-matrix-to-show-anything-at-all/634>\
**Category:** Uncategorized\
**Created:** [March 16, 2023, 3:10pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/can-t-get-matrix-to-show-anything-at-all/634 "2023-03-16T15:10:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Cookiez](https://avatars.discourse-cdn.com/v4/letter/c/9de0a6/32.png) [@Cookiez](https://rpi-rgb-led-matrix.discourse.group/u/Cookiez)\
**Post date:** [March 16, 2023, 3:10pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/can-t-get-matrix-to-show-anything-at-all/634/1 "2023-03-16T15:10:45Z")

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I tried many things already but I can not for anything get this to work.  
I use an 32x64 matrix with a raspberry pi 4 using the adafruit hat. I power the matrix directly (not through the hat). I followed several tutorials but none works. I. Can’t even get my led matrix to light up anymore (it did one week ago - still not right things tho)

I’m fed up PLEASE help. I don’t even know how to verify if my matrix or my pi hat even still work.

I even tried to hook the matrix up without the hat but didn’t get it to work too

I used:  
sudo examples-api-use/demo -D0 —led-no-hardware-pulse —led-griot-mapping=adafruit-hat —led-slowdown-gpio=4 —led-cols=64

And also SEVERAL other python examples but NOTHING works.  
And yes the Matrix power is 5V 3A (ampere is lower than 4 but that shouldn’t change a thing)

 ![image](https://global.discourse-cdn.com/free1/uploads/rpi_rgb_led_matrix/original/1X/88c1669f053856805ce642473f1bfab18fa721d7.jpeg)

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**Author:** ![weins3](https://avatars.discourse-cdn.com/v4/letter/w/c68b51/32.png) [@weins3](https://rpi-rgb-led-matrix.discourse.group/u/weins3)\
**Post date:** [January 31, 2025, 11:14am UTC](https://rpi-rgb-led-matrix.discourse.group/t/can-t-get-matrix-to-show-anything-at-all/634/2 "2025-01-31T11:14:59Z")

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works for me with some errors  
[https://raspberry-valley.azurewebsites.net/rpi-rgb-led-matrix/](https://raspberry-valley.azurewebsites.net/rpi-rgb-led-matrix/)  
i use led-griot-mapping=regular like in the example