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Path: Optimization → Devices.

Three blocks. “MSI Mode” — devices that support Message Signaled Interrupts: name, driver, manufacturer, state and a mode toggle. “Unneeded devices” — devices for special tasks that usually sit idle. “Devices” — device groups: each one expands with “Show devices”, and you can disable a group or an individual device. At the top are the “Default”, “Optimal” and “Refresh” buttons; for the name, driver and manufacturer you can see exactly what changes.

Enable MSI only for compatible devices and check stability afterwards. Disable only devices with a known purpose; devices with the word “Virtual” in the name may be needed by VMware, Sandbox and other virtualization tools. Device power saving is more often justified on a laptop — see USB and NVMe power research and keyboard port research.

After a reboot, open Device Manager and check sound, network and input devices.

Disabling and enabling are done with the toggle next to a device or group. “Default” returns all disabled devices to the enabled state — before experimenting, save the device names and driver versions.

  • MSI Mode Tool — a separate tool for the interrupt mode of a single device.

Last checked: 2026-09-20.