What Features Are Missing When Kernel Drivers Are Disabled in Steam Deck Tools?

Disabling kernel drivers in (Windows) Steam Deck Tools removes three capabilities: the optimized SteamOS fan curve in Fan Control, CPU/GPU frequency and APU wattage readouts in the Performance Overlay, and the ability to change TDP or CPU settings in Power Control. The tools still run, but those specific functions are unavailable. This trade-off is the project's own recommended configuration for playing online games with anti-cheat, since the default state of the applications does not use kernel-level features at all.

What the kernel drivers actually enable

The project's README describes kernel driver usage as the mechanism behind its deeper hardware controls. According to the documentation, disabling them means you lose:

Everything outside these items—such as the overlay's basic FPS display—remains available, because the README lists only the above as the features tied to kernel drivers.

Why you might disable them anyway

The README states that the software uses direct manipulation of kernel memory via inpoutx64.dll, which can trigger antivirus and anti-cheat software. It explicitly warns that this "could result in interference or issues in games that use anti-cheat technology (including the possibility of a suspension or ban)." The applications do not use kernel-level features by default; if you request a change that might trigger anti-cheat detection, the application requires you to acknowledge it.

For online play, the project recommends disabling kernel features and treats these settings as safe:

• Fan Control: Use Default FAN
• Performance Overlay: OSD
• Kernel Drivers: DISABLED

What you keep and what you give up

With the safe configuration, you retain fan control at the default curve, an on-screen FPS overlay, and the tools themselves running normally. You give up fine-grained fan tuning, detailed CPU/GPU telemetry, and TDP or refresh-rate adjustments through Power Control. If your main use is Game Pass streaming or single-player titles without anti-cheat, keeping kernel drivers enabled preserves the full feature set—but the README's risk section notes the project uses kernel manipulation and "might result in unstable system" behavior, so that choice carries its own trade-off.

Practical check before changing settings

Confirm which mode you are in by checking whether the overlay shows CPU % and MHz, GPU MHz, and APU W. If those fields are absent while FPS still displays, kernel drivers are disabled. To regain them, re-enable kernel features and acknowledge the anti-cheat prompt—then avoid online games with anti-cheat enabled, per the README's warning.