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I have tried using larger (e.g., 1.05) or smaller (e.g., 0.95) scaling factors but in all cases, the display becomes overscanned on the right edge. The first two parameters set as 1 indicate that no re-scaling is applied to the x-axis (field 1) or y-axis (field 5).
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The -10 refers to the translation (in pixels) of the display along the x-axis (negative values move the display rightward). I use a command of the following form: xrandr -output VGA1 -transform 1,0,-10,0,1,0,0,0,1 One of the key attributes of this monitor is its external chassis, which comprises of more than 25 post-consumer recycled plastic content. Regardless of what these values are set to, the display suffers from right-sided pixel truncation if I invoke a rightward shift of the display. The Dell E207WFP is Dell’s first flat panel monitor to achieve silver status with the Electronic Product Environmental Assessment Tool (EPEAT), which is a set of performance criteria that evaluates environmental attributes of consumer electronic products. However, I have not experienced success by tweaking the x/y rescaling value in the 2D affine transformation used by the xrandr -transform utility. I have tried to rectify the overscan problem by shifting the display by 10 pixels to the right with a concomitant rescaling of the output to ensure that a truncation of pixels from the right side of the screen does not ensue. I seek a solution that diminishes, to the lowest possible extent, the resolution of the display. Scaling down to a lower resolution resolves the overscan problem but is undesirable. I have elected to use the highest resolution, which is the default and also the highest resolution supported by this monitor. When I employ an external monitor (Dell E207WFP) as the display device for my laptop computer, about 10 pixels are truncated from the left edge of the screen, which I believe is a consequence of a phenomenon known as overscan (the monitor is connected to the computer by VGA).