X193wlcd monitor i need help. have purchased 19"acer monitor.cd rom disc that goes wih it only goes to "which language". noone at acers office in plymouth will help ,in fact they were quite rude. my problem?, simple how do i reduce screen brightness? please email me at [email protected]. acer instruction book says there is brigtness and contrast but avoids telling you how to adjust. acer"s assistance is non existant.please put this right