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Thread: Teensy LC not recognized with Teensy loader

  1. #1
    Junior Member
    Join Date
    Jun 2021
    Posts
    1

    Teensy LC not recognized with Teensy loader

    I connected my newly purchased Teensy LC board to Mac and tried to use Teensy loader to load LED blink for a quick sanity check. After I pushed the button, the orange LED stopped blinking, but Teensy loader remained at the page "Press Button on Teensy to manually enter Program Mode".

    Setup: Teensy with microUSB to USBA adapter and Apple USB-C Digital AV Multiport Adapter
    OS: MacOS 11.3.1 Big Sur

    Any suggestion? Thanks.

  2. #2
    Senior Member PaulStoffregen's Avatar
    Join Date
    Nov 2012
    Posts
    25,209
    We've seen this exact problem over and over. It's almost always a charge-only USB cable.

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