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NRF52840DK USB CDC driver error!

Hi. Does anyone know where I can download the CDC ACM diver for windows 7?

I am running the example on the nRF52 dev kit, but I get an error as windows can't find the driver.

project path:nRF5_SDK_15.0.0_a53641a\examples\peripheral\usbd\pca10056\blank\arm5_no_packs.

usb_drivers path:nRF5_SDK_15.0.0_a53641a\examples\usb_drivers.

now,the device have a nRF52 USB CDC Demo,but the driver fail.

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  • Ok,

    Try to click on "Let me pick from a list ...."

    Click on "Have Disk..."

    After that you select the nordic_cdc_acm_example.inf file in the SDK usb_drivers folder. Click on "OK":

    And after that click on "Next".

  • Hi,Sigurd!

         Thank you for your reply!the problem of the dirver remains unsolved.

  • 1) What version of DK do you have?
    It should be brinted below PCA10056 on the white sticker.

    2) Could you try a different USB cable and another USB port on the PC ?

  • Hi,Sigurd!

         Thank you for your reply!The version is PCA10056 0.9.3.Different USB cable and another USB port remains unsolved.

  • What Driver Version and Driver Date do you have?

    Does it look like this?