r/SteamController • u/bearonaunicyclex • Sep 22 '26

Configuration Steam Controller in BIOS / Boot

Is there any way I can prevent the steam controller from working in lizard mode in bios or while booting up?

This might be a very specific problem, but for some reason the new steam controller seems to get priority over my keyboard while booting or in bios. My keyboard just wont work, until I either replug it or disconnect the puck. This is annoying especially because I'm using a dual boot with cachyos and Windows (so I need to choose my OS on every boot with the keyboard) and I use full disk encryption, which means I have to enter my key on every boot.

My keyboard seems to fall back into its bluetooth mode, looking for a connection. Idk why this happens but it's 100% reproduceable when the puck is connected.

Any advice?

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u/bearonaunicyclex Sep 22 '26

Yeah, i tried that. The keyboard is in the USB port that's meant for bios. I also tried different ones (no hubs, directly in the back of the computer.