The middle button which turns the monitor on is stuck in nd there is no picture.
The monitor screen is black can be caused by bad caps in the power supply, bad inverter circuits, or worst will be bad lamps, you need to open it up and look at the power supply for bad caps first, look for caps with bulging top or bottom seal and then report back so we can guide you further, see example of failed VIEWSONIC monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
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