Razer PWM PC Fan Controller Firmware Updater | RZ34-02140

| Answer ID: 6255
This is a guide showing the latest version of the Razer PWM PC Fan Controller | RZ34-02140 firmware update and how to install it successfully.

Applicable Products:

Firmware update v1.01.00_r2

  • https://rzr.to/MCq2ln | November 3, 2022
  • Fixed CFU compatibility issue on Win 11 (unable to install CFU driver on Win 11 issue)

STEP-BY-STEP PROCESS

Before you start

  1. If using a laptop, ensure it is plugged into a wall outlet. Do not let it run on battery alone.

  2. Save any open documents on your computer.

  3. Close all other programs.

  4. Download the latest firmware.

Update Process

  1. Run the updater.

  2. Click "Yes" if the User Account Control window pops up to proceed.

  3. Click "NEXT" to proceed. The updater will close all running Razer applications.

  4. Connect the device to PC.

  5. Click "UPDATE".

    Connect the device to PC on-screen instruction window

  6. Wait until the update process is complete. Do not interrupt.

  7. Click "CLOSE" once the update is complete.

    Updater window showing the completion of the update process

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