New Mainboard 4.2.7 beeps

  • Installed a new mainboard 4.2.7 on my ender 5 pro. As soon I try to install the firmware it starts beeping.
    I downloaded it from the creality website, don't have a BLtouch, so I chose "original version".
    Checked everything twice, gave them an extra push, X Y Z and all are on the right position.
    keeps squeeking.

    What did I do wrong?

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