Final answer:
Windows desktops do not have the ability to adjust screen brightness like laptops due to differences in hardware components. Laptops have built-in displays with specific controls for brightness adjustment, while desktops rely on external monitors without integrated controls.
Step-by-step explanation:
The reason why Windows desktops do not have the ability to adjust screen brightness like laptops is because the hardware components differ between the two. Laptops often come with built-in displays that have specific hardware controls for adjusting brightness. On the other hand, desktop computers rely on external monitors, which do not have the same integrated controls for brightness adjustment. Since the brightness control is a hardware feature, it is not available on desktop computers without a compatible monitor.
Windows desktops often lack built-in screen brightness controls because the function is typically part of the monitor's hardware, whereas laptops integrate brightness settings for better power management.
Windows desktops typically do not have the ability to adjust screen brightness through the operating system the same way laptops do because the brightness control is often a feature built into the hardware of the monitor, whereas laptops have this functionality integrated into their design for power saving and mobile use. Desktop monitors usually rely on physical buttons or on-screen menus controlled by the monitor's internal electronics. In contrast, laptops are designed to be portable and need to manage power consumption more efficiently; hence, the brightness control is readily accessible through the laptop's system settings.
Laptops can dynamically adjust the brightness based on ambient light or power settings, which helps to conserve battery life. Desktop users, however, can still manage screen settings such as resolution and color calibration for optimal viewing experiences, which are important when working with photos, presentations, or web display.