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This repository holds hte images for rpi CM4 version of fulatower

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Re-imaging CM4

Re-imaging CM4

If for any reason the CM4 fulatower gets stuck in a blue/white light without going through the whole boot process, or it is not connected to the Wi-Fi or propagating the FxBlox hotspot, you need to perform a full re-image. This process requires you to first open the tower, which involves unscrewing parts of it. The process of opening the tower is shown in the video below:

How to open the tower

Steps for Re-imaging

  1. Unplug the Tower from Power

    Ensure the tower is not connected to any power source before proceeding.

  2. Opening the Tower

    Follow the instructions in the video linked above to open the tower safely.

  3. Connect the USB-C Port

    Connect the USB-C port on the side of the tower to your laptop or PC.

    Placeholder for USB-C connection image

  4. Short Circuit the Two Pins

    Short circuit the two pins located on the bottom left side of the Raspberry Pi module. You can use anything to short circuit them, like putting hte head of a USC-C cable between them. but make sure hte material you are using is conductive nad not Aluminum for example (key rings for example are usually aluminum)

    Placeholder for short circuit pins image

  5. Power On the Tower

    Plug the tower back into power. It should display a blue/white light and remain like that, indicating it is in image mode. You can remove the short circuit from step 4 at this stage.

  6. Installing and Running rpiboot

    • For Windows:

      • Download and install rpiboot from here.
      • Type rpiboot in your search bar and run it. After a few seconds it starts printing some stuff and automatically closes after 15 seconds or so. Wait for the terminal to close before proceeding.
    • For Mac:

      git clone --recurse-submodules --shallow-submodules --depth=1 https://github.com/raspberrypi/usbboot
      cd usbboot
      brew install libusb
      brew install pkg-config
      make
      sudo ./rpiboot
      

      After a few seconds it starts printing some stuff and automatically closes after 15 seconds or so. Wait for the terminal to close before proceeding.

  7. Download the Latest Image

    Download the latest image for your CM4, from the official GitHub repository. Download all the files that start with rpi_cm4_fulimage into one folder on your computer.

  8. Unzip the Image Content

    Right click on the one that ends with .zip.001 and use 7zip application to extract. Extract the contents of the downloaded image to a known location on your computer.

  9. Install and Run Raspberry Pi Imager

    • For Windows: Download from here.
    • For Mac: Download from here.
  10. Configure Raspberry Pi Imager

    Open Raspberry Pi Imager and select the following:

    • Raspberry Pi Device: RASPBERRY PI 4
    • Operating System: Scroll down and choose "custom image," then select the .img file inside the folder you unzipped in the previous step.
    • Storage: Click on "Choose storage" and select the newly added storage, which should be around 30GB and named RPi-Msd.

    Placeholder for Raspberry Pi Imager configuration image

  11. Start the Imaging Process

    Click "Next." Choose "No" for the first popup asking if you want custom configs, and "Yes" for the second one asking for confirmation.

  12. Wait for Completion

    The imaging process might take about 3 hours. Please be patient.

  13. Final Steps

    After completion, remove the short circuit from the pins, disconnect the USB-C cable connecting the tower to the computer, and then unplug and re-plug the tower to power.

  14. Set Up Using FxBlox App

    Now that you have the updated fulatower, use the FxBlox app to set it up. There's no need for any other manual updates.

  15. Closing the Tower

    Once you've confirmed a successful setup through the FxBlox app, close up the tower again to protect it from damage.

  • If at the end of setup, you see a message that the app could not connect to Blox, Close the app, unplug and re-plug the blox and wait for 1 minute and open the app.

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This repository holds hte images for rpi CM4 version of fulatower

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