Display shows MEMORY ERROR or is blank, Controller memory is at ~13MBs, Resolution 2 of 3

This article is the 2nd resolution that should be done to try and correct the issue.  For all other resolutions, follow Troubleshooting Guide - SD Card Failure, DD2791677.


stopsign.jpgThe steps outlined, if performed incorrectly, may result in equipment failure. Do not attempt these steps without proper training and understanding of product operation. Consult a Daktronics support technician if you need assistance.

Potential Symptoms

  • Display goes through start up sequence and then shows MEMORY ERROR on the display face, or the display is blank.
  • Memory is at 13MB when viewed in M2Config/VLMS or Venus 1500.
  • Failed to transfer Guid.dat file error occurs when connecting to the display with M2Config.

Venus 1500 v4 Software Symptoms:

  • Unable to publish content to the display but can get status.

Visiconn Software Symptoms:

  • Visiconn shows display not connected (RED).
  • Visiconn will not upload content.

Show Control Software Symptoms:

  • Unable to send messages through Display Studio.
  • M3 File Manager will not transfer files.
  • The Display Studio status is green with no errors, but, when a quick display button is pressed, the status turns red, and the M3 controller status changes to not responding.


  • Product Family: Message Displays, Sports Products, Billboards
  • Product: Galaxy: AF-3500, AF-3550 (Standard & GNet), AF-3700, Billboard: ValoPlay, Scorer's Table: ST-2014, ST-2016, Sports Star: SS
  • Component: M3 controller
  • Control System: Venus 1500 V4, Visiconn, Show Control


  • Memory card is not recognized by controller. 


  • Access the controller inside the Display.  Follow the install and operation manual for details on accessing the display to get to the internal components.
    1. Power down the controller.  Note: Never remove or unseat the memory card while the display is powered on!
    2. Reseat SD card.  (This means removing the memory card from the controller, and then reinstalling it.)
    3. Power controller back up.

KB ID: DD2093966

Fill out my online form.
DISCLAIMER: Use of this content may void the equipment warranty, please read this DISCLAIMER prior to performing any service of the equipment.