If the software cannot establish a handshake over Wi-Fi, verify that your computer is connected to the controller's dedicated network rather than a local internet router. If you are using a USB drive, confirm that the flash drive is formatted to ; NTFS or exFAT configurations will often prevent the asynchronous card from initializing file reads. Garbled or Scrambled Display Matrices
By following this guide, you should be able to successfully download, install, and use the HCLED 21.09 software (or its equivalent) to manage your LED display.