Device not working

[ComplexSlayers2]

Hello, i have just set this up and i am facing an issue where my keyboard is only going to the shut down colour and will not be controlled by the device in signal rgb. (Yes the keyboard is on and connected)

[timbru31]

I noticed there is an issue with the underlying OpenRGB SDK client (https://github.com/Mola19/openrgb-sdk).
If you are comfortable with messing inside the node_moduels folder, go ahead and try editing:

node_modules\openrgb-sdk\src\client.js

Update the updateLeds function to:

	updateLeds (deviceId, colors) {
		const numColors = colors.length;
		const dataSize = 4 + 2 + (4 * numColors);
		const colorsBuffer = new ArrayBuffer(dataSize);
		const view = new DataView(colorsBuffer);

		// Write packet header (data_size and num_colors)
		view.setUint32(0, dataSize, true);    // Little-endian data_size
		view.setUint16(4, numColors, true);   // Little-endian num_colors

		// Write color values in 0x00BBGGRR format
		colors.forEach((color, index) => {
			const colorValue = (color.blue << 16) | (color.green << 8) | color.red;
			view.setUint32(6 + (index * 4), colorValue, true);
		});

		this.sendMessage(utils.command.updateLeds, Buffer.from(colorsBuffer), deviceId)
	}

Let me know if that worked so we can raise an issue with the SDK project.

[Fefedu973]

Wow thank you a lot for your research !
I'll try it soon.

[timbru31]

FYI this was fixed in the OpenRGB SDK v0.5.3+
https://github.com/Mola19/openrgb-sdk/blob/main/CHANGELOG.md#053---2025-07-20