have sAme problem as lady, its not the plug thats broken
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i lost red with a nvidia driver/video card. its not the monitor because if you can access the monitor's menu on its front panel and go to display the icons they use have red in them and it shows perfectly.so its something with the nvidia. i had to reboot from scratch and was adding new programs and midi instruments and it happened on a day i added Cakewalk sonar's xt demo, an m audio midi keyboard(which when i tried to install with a diskl it warned me of possible instability,so i just plugged it in without running install and it recognized it and was ready to go,maybe it installed drivers on its own? I don't know how that works) and a freeware softsynth,so lots of possibilitiesvfor corruption.but i know it not that she had an old monitor cause mine is old too and i can only get red by pressing th4e menu button on the monitor.i hope she didn't waste money on a new one,anyway, any ideas? i put service pack 3 on the 6 hours before this happened as well(onto window xp media edition).it actually came back after turning off then on the thrid time,but then it lost red again as i went on the internet.it almost seemed like it coincided with me dragging a softsynth in sonar's multidock which tints the exact shade of blue that covers the screen when you hold on object over it.come to think of it, the white on the screen has a blue tint,so either theres a blue tint over everything making red seem black or the lack of red to mix into white leaves white with a bluish tint.