TestOut LabSim A+ Certification Practice Exam

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After connecting an SXGA LCD monitor using a DVI-D cable, the display looks fuzzy. What action should you take?

Install a new monitor driver
Change the screen resolution to the native resolution of the monitor
Reconnect the cable
Replace the monitor

The correct answer is: Change the screen resolution to the native resolution of the monitor

To achieve optimal display quality with an SXGA LCD monitor connected via a DVI-D cable, adjusting the screen resolution to match the monitor's native resolution is crucial. Every monitor has a specific resolution at which it performs best, providing clear and sharp images. For an SXGA monitor, this native resolution is typically 1280x1024 pixels. If the display settings are set to a lower resolution, the image can appear blurry or fuzzy due to the stretching or scaling of the image to fit the screen. Changing the screen resolution ensures that the monitor displays pixels in a one-to-one mapping scenario, leading to enhanced clarity and improved overall visual performance. While installing a new monitor driver could potentially solve certain display issues, it is more likely that resolution settings need to be adjusted first. Reconnecting the cable might resolve connection issues but wouldn't necessarily improve the clarity if the resolution is set incorrectly. Lastly, replacing the monitor is a more extreme action that should only be considered if all other troubleshooting steps have failed, as the issue may not be hardware-related.