My buddy gave me this monitor yesterday because he can't fix it. It gets a picture, but as soon as I power it on there is a high pitch whine/noise that never goes away. After it's on for about 4 minutes or so, smoke starts to come from the vicinity of the power supply. My questions are: 1) What is the high pitched whine/noise? 2) Am I diagnosing this correctly? Is it a bad power supply? 3) Is it worth it or even possible to replace a monitor's power supply? Thanks for you help.