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Frequently Asked Questions

Commonly asked questions and their solutions for the URX Core75.

Why is RGB Brightness lower in Wireless Mode compared to Wired?

Enable Max Brightness mode using Fn + F (Only for BT/2.4G mode).

VIA crash in custom Per Key RGB Mode
  • This is a known issue, that colouring keys faster (in Per Key RGB Mode) can sometimes crash VIA (especially in wireless mode). This is an issue from VIA's side, hence not fixable by us.
  • To "fix" this issue, just reload the VIA website or use URX HUB to configure Per Key RGB. We have fixed issue in URX HUB
VIA is not working
  • Ensure you are NOT using any external USB hubs. Ensure that conflicting software like SignalRGB and OpenRGB are not running in the background. Delete the Website data and Reload the VIA website. Alternatively, you can use URX HUB.
  • VIA on 2.4G (wireless) is experimental only and can be buggy in certain cases since QMK and VIA were originally made for Wired Keyboards only.
VIA is not detecing in Bluetooth Mode

Both VIA and URX HUB only support Wired and 2.4G mode.

Can I change the function of the Knob?

Yes, you can assign whichever function/key you want to the knob using VIA or URX HUB. You can assign 3 actions, Rotate Clockwise, Rotate Anti Clockwise and Press the Knob.

Battery life is short / draining quickly

RGB LEDs have very high power consumption at high brightness which reduces the battery life. Please reduce the brightness or turn off the RGB.

Is the Fn row on this keyboard same as my laptop keyboard?

No. The Fn keys on the Core75 are independent of your laptop's Fn keys. They function as separate keyboard inputs that can be fully customized using VIA or URX HUB

How do I factory reset
  • Hold FN + Space and a red light will start blinking rapidly. Ensure that you do not release the keys until that light is gone and the keyboard has completed the reset.
Entering Bootloader Mode and Recovering from Bricking

  • If a firmware update fails or the keyboard becomes completely unresponsive, you can trigger a hardware bootloader jump:

    1. Unplug the USB cable from the keyboard.
    2. Set the back switch to OFF (Center).
    3. Hold down the ESC key.
    4. While holding the ESC key, plug the USB-C cable back in.
    5. The keyboard will enter bootloader mode (LEDs remain off). You can now safely flash the firmware using QMK Toolbox.