THE TOUCH SCREEN FEATURE DOES NOT WORK. HOW DO I FIX IT
SOURCE: dell touch screen monitor not lighting
We have the same monitor and I found cap C922 swollen on the inverter board it is a 1000uf@16vdc hi temp cap which costs 25 cents to a dollar depending on where you buy it. If you can solder it is a cheap and easy fix. I'm not saying this will fix them all just stating what I found with ours.
SOURCE: on Planar PL1700 monitor, screen stays black after power failure
this is a common problem with the capacitor, try opening your monitor and see if there is a capacitor swalow like gonna blow... the capacitor has a form like a AA battery... if changing the capacitor the problem persist maybe is a problem with the board and you need to search if the board have continous power....
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