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02/11/2021 9:18 am
When I turn on my Ender 3 Pro, it starts to boot up, shows the logo splash screen, then freezes and emits a continuous high-pitched beep. It has the 4.2.7 silent mainboard installed, Meanwell power supply, and Marlin 2.0 firmware. Nothing fancy or out of the ordinary. Any help would be much appreciated.
09/11/2021 5:46 am
i also have a ender 3 pro. no upgrades and i have the same issue.
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