A laptop is connected to a conference room projector in extended display mode.
The desktop icons appear normal on the laptop, but are disproportionate and illegible on the projector screen.
Which of the following should the technician check?
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A. B. C. D.A.
Based on the information given, the issue with the laptop's extended display mode appears to be related to the desktop icons being disproportionate and illegible on the projector screen. This suggests that the display settings of the laptop are not properly configured to match the resolution of the projector screen.
Therefore, the technician should check the video resolution as the first step in troubleshooting the issue. The video resolution refers to the number of pixels that are displayed on the screen and is typically measured in terms of width x height (e.g., 1920 x 1080 pixels). If the laptop's resolution is set too high or too low for the projector screen, it can result in distorted or illegible icons on the projector screen.
To adjust the video resolution, the technician should right-click on the desktop and select "Display settings" or "Screen resolution" (depending on the version of Windows being used). They should then select the projector screen and adjust the resolution to match the recommended resolution for the projector. This information can usually be found in the projector's user manual or by checking the manufacturer's website.
Checking the HDMI connection, keystone, or focus would not likely resolve the issue with the disproportionate and illegible icons on the projector screen, as these factors typically affect the clarity and alignment of the projected image, but not the size or proportion of the desktop icons on the laptop.