Oct 16, 2018 · Right-click a blank area of the Desktop, then choose “Screen Resolution“. Temporarily change the “Resolution” to another value, then choose “Apply“. See if you can see the window on your screen now. Change the resolution back to the previous value, then select “OK“. Sep 01, 2000 · It's that "one-pixel" thing that runs it headlong into the closest brick wall ... it's one pixel on an assumed 300dpi output device, whereas if the output is to some other resolution or is scaled in some way, the frequency of the lines "beats" against the underlying grid/frequency of the real output device pixels. IOW, the output stinks.
Select the resolution of the POS. There are two options here, 800x600 or 1024x768. Designed to make the POS screen fit a 15 monitor at 800 x 600 resolution.