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CompTIA

220-801 · Question #779

A user states that the display is not very bright on their laptop. Which of the following is the MOST likely location to adjust the brightness?

The correct answer is C. Fn key. On laptops, display brightness is most directly and quickly adjusted using the function (Fn) key combined with a dedicated brightness hotkey on the keyboard.

Mobile devices

Question

A user states that the display is not very bright on their laptop. Which of the following is the MOST likely location to adjust the brightness?

Options

  • AIn the Device Manager of the operating system
  • BIn the BIOS
  • CFn key
  • DIn the video display drivers

How the community answered

(23 responses)
  • A
    4% (1)
  • B
    9% (2)
  • C
    87% (20)

Why each option

On laptops, display brightness is most directly and quickly adjusted using the function (Fn) key combined with a dedicated brightness hotkey on the keyboard.

AIn the Device Manager of the operating system

Device Manager manages hardware drivers and does not provide a brightness adjustment control panel.

BIn the BIOS

The BIOS manages firmware-level hardware settings and does not include display brightness controls for the operating environment.

CFn keyCorrect

Laptop keyboards include a dedicated Fn key that, when pressed in combination with labeled function keys (e.g., F5/F6), sends hardware-level signals to adjust backlight brightness instantly. This is the standard and most accessible method, designed specifically for mobile display control without navigating software menus.

DIn the video display drivers

Video display driver settings can affect resolution and color profiles but are not the primary or most direct method for adjusting backlight brightness.

Concept tested: Laptop display brightness adjustment method

Source: https://support.microsoft.com/en-us/windows/change-screen-brightness-in-windows-1bb0e3f4-2b5a-4949-8a5b-79430a8a58e0

Topics

#laptop display#brightness control#function key#laptop features

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