Firmware Problems

Is your Zen firmware version displaying as 0.0.0? Does the update tool say No Devices Found? Does it say your firmware is incompatible with Zen Studio? are you getting a Network Error warning? This page has everything you need.

No Devices Found

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How to easily fix this problem:

  1. Connect the Zen to your PC from the CONSOLE/PC USB PORT using the short (12") micro-USB cable. Hold down the small blue reset button until the OLED Message Screen displays Zen Bootloader.
  2. Open the Collective Minds Windows Firmware Update Tool cmupdatetool.exe
  3. If detected correctly, the software will display Collective Minds Cronus ZEN, the serial number, and the firmware version.
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Important: If your Zen is still not detected, and you're sure you have connected to the Zen's CONSOLE/PC USB PORT, the micro-USB cable may have developed a fault, so try another. You can use the long micro-USB cable provided with your Zen.



If you have tried other USB cables and as a last resort, another Windows PC and it still won't connect, sadly it means your Zen has likely developed a fault. You should return it to the original point of purchase for a new replacement under its warranty.

Tip: We find some users make the mistake of trying to using the mini-USB cable to upgrade the firmware, which is for Zen Studio, not for Firmware upgrades. We made the ports different on purpose so they couldn't be confused 🙂

Firmware Version Incompatible

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You are not running the latest firmware or you're not running the latest Zen Studio software. You will only ever see this message when one or the other is out of alignment.

The latest versions are:

Firmware: Zen Studio:

Firmware Version is 0.0.0

If the Zen firmware version is showing as 0.0.0, it means it is corrupt (interrupted programming, bad USB cable etc.). Follow the instructions on this page to downgrade to the oldest firmware and then upgrade to the newest.

If you have tried other USB cables and as a last resort, another Windows PC and it still shows as version 0.0.0, sadly it means your Zen has developed a fault. You should return it to the original point of purchase for a new replacement under its warranty.

Network Error

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Reasons for a Network Error:

  1. Not connected to the internet or your modem needs resetting

  2. Security software is blocking the download (Temporarily disable Anti-Virus and/or Firewall)

  3. Your ISP is blocking access to our server (Use a free VPN like ProtonVPN)

Unexpected Error

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Reasons for a Unexpected Error:

  • The CONSOLE/PC(micro-USB) cable not connected correctly or faulty
  • Bad USB port on your PC (usually low power)
  • Not connected to the internet or your modem needs resetting
  • Security software is blocking the download (Temporarily disable Anti-Virus and/or Firewall)
  • Your ISP is blocking access to our server (Use a free VPN like ProtonVPN)

USB device not recognized

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This is a Windows error and usually means that the USB cable is bad, or the power on the USB port is too weak, or the firmware is corrupt.

Steps to resolve:

  1. First make sure you are using Zen Studio version - earlier versions will not work with the latest firmware.
  2. Perform a Hard Reset
  3. Downgrade the firmware to then upgrade to . Visit Step 1 - Program Zen Firmware for instructions.
  4. If you were able to program the firmware in Step 3, then whatever problem you had is now solved. Still bad? OK....
  5. If you couldn't program, try another micro-USB cable and USB port. Make sure the cable is firmly connected to Zen's CONSOLE/PC port, and the PC USB port should onboard (not an extension) and USB3.0 (it's usually blue or labelled SS)
  6. If you still get the error at this point the only way to be sure if the Zen has developed a fault is to try another PC.

If you have tried other USB cables and as a last resort, another Windows PC and it still shows as USB device not recognized, sadly it means your Zen may have developed a fault. You should return it to the original point of purchase for a new replacement under its warranty. Click here for the Cronus Shop's warranty and return policy.



Updated 25 May 2022
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