220-801 · Question #154
Joe, a user, wants to modify the fan speed settings on his PC. Which of the following locations allows the fan speed settings to be changed?
The correct answer is A. BIOS. Fan speed and other low-level hardware settings are configured in the BIOS/UEFI firmware, which provides direct control over system hardware before the OS loads.
Question
Joe, a user, wants to modify the fan speed settings on his PC. Which of the following locations allows the fan speed settings to be changed?
Options
- ABIOS
- BDevice Manager
- CMotherboard Jumpers
- DComputer Management
How the community answered
(37 responses)- A89% (33)
- B5% (2)
- C3% (1)
- D3% (1)
Why each option
Fan speed and other low-level hardware settings are configured in the BIOS/UEFI firmware, which provides direct control over system hardware before the OS loads.
The BIOS (Basic Input/Output System) or its modern equivalent UEFI provides hardware-level configuration options including CPU and chassis fan speed profiles, thermal thresholds, and fan curves. These settings exist in firmware and operate independently of the operating system, making BIOS the correct location to modify fan behavior.
Device Manager manages OS-level hardware drivers and device properties; it does not expose fan speed control settings.
Motherboard jumpers are physical hardware pins used for specific configurations like clearing CMOS, not for adjustable settings like fan speed.
Computer Management is a Windows MMC snap-in used for disk management, services, and event logs, and does not include fan speed controls.
Concept tested: BIOS/UEFI hardware configuration for fan control
Source: https://learn.microsoft.com/en-us/windows-hardware/manufacture/desktop/bios-and-uefi
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