I am posting this in hopes it will save someone else from the hours of frustration and viewing countless discussion forums on how to fix this fairly simple problem. In my home office I have two separate computer systems one is an off-the-shelf HP computer which runs both Windows Vista and Linux Ubuntu. The other which is my primary was custom built at the end of last year to replace my aging Vista system. I run Windows 7 on this computer. On my primary system I have an Acer H243H 24″ Monitor which has inputs for VGA, DVI and HDMI….