Daktronics

DMP-8122 inconsistent EDID emulation

Potential Symptoms

  • Combined desktop breaking after reboot.
  • 1 or more displays blank/no signal.
  • Set resolution reverting to Display native resolution

Environment

  • Product: LCD Networks, Digital Signage
  • Component: DMP-8122
  • Control System: Venus Control Suite

Cause

  • Compatibility issue between older BIOS and various Intel Video drivers
Note: EDID emulation is managed within the BIOS settings.
See: - Setup EDID Emulation on DMP-8122 for more information.

Resolution

  1. Stop the player from running before any update is ran.  System may lock-up if player software is not stopped.
    1. Stop DMP8000 App 
      1. Access the Daktronics folder via the Start menu and select DMP8000 Shutdown
  2. Verify current BIOS revision.
    1. On Player open the Start menu
    2. Type msinfo32 and press enter.
    3. Bios Version/Date
    4. Embedded Controller Version.
image.png
Note: As of 12/2023 - Updated versions are
BIOS: CCBWHL357.0103.2023.1013.1424, 10/13/2023 
Embedded Controller: 2.30
 
  1. Download the zip folder from Dakfiles
    • 8122 Update
    • Click on DMP8122_uprade.zip to download.
    • Once downloaded, navigate to folder and unzip.
  2. Update BIOS/EF Firmware (if required)
    • Navigate to un-zipped DMP122_upgrade folder.
    • Run CBWHL357.0103.EBU.exe
    • When prompted press Y and Enter to reboot the player.
    • This will take approximately 5 minutes and will reboot after its finished.
  3. Once the player reboots, check that both the BIOS and EC versions were updated.
    • Bios Version: 0103
    • Embedded Controller Version 2.30
  4. Run Windows Updates
    • Check for further updates after player reboots until there aren’t any further updates available.
  5. Install provided Intel Graphics Driver 
    • Navigate to the unzipped DMP8122_upgrade folder.
    • Unzip GFX-Win10_Win11-31.0.101.2114
    • Navigate to the unzip folder and run Installer.exe.
    • Agree to Intel’s Agreement
    • Click the checkbox to Execute a Clean install.
    • Click Start
    • Reboot player after installation is complete.
  6. Set display setting to desired settings.
  7. Reboot DMP Player
    • If prompted with a Persistent Emulation Display Alert, press b on the keyboard. This can only be done with a keyboard connected directly to the player.


 

KB ID: 000027552

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