Not Detecting card for Firmware Flash



  • Ender 3 Pro
    Board: 4.2.2
    Current Firmware: Ender-3- Marlin2.0.1 - V1.1.2 - BLTouch.bin // not 100% sure

    When attempting to flash firmware (Marlin2.0.1 V1.0.1), the printer does not go into flash mode.

    Steps to recreate:

    1. Put a .bin file onto a new formatted, 8GB, MBR, FAT32
    2. Eject from PC, put into Printer
    3. Turn on the printer, wait a few seconds, no flash.
    4. Put card into PC, a new file has been added EEPROM.DAT

    Previously successfully flashed by SD Card, did not have EEPROM.DAT

    Tried factory resetting using gcode with the commands separately:

    • M502
    • M500

    Screen appears glitchy since the firmware upgrade to the current version

    How do I make the printer detect that it needs to be flashed?
    Or how do I force it back to stock firmware?

    Thanks


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