I would start by looking to see if High Contrast has been switched on for
this PC. Use Start|Help and type <high contrast in the search box. Follow
the instructions to turn it on/off.
best wishes
--
Bernard V Liengme
www.stfx.ca/people/bliengme
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"Len" wrote in message
...
sWhen dragging arrows and/or lines in graphic charts, they are invisible
except for tiny cirles at the endpoints.

I have used them successfully before but today something is wrong.

Also, dropdown menue of font and palette color swatches contain blank
squares; colors are missing.