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mrmadgbull, How long will e17tg display the WIN-desktop before it goes to BLACK screen? Is it 1, 2 ...4, 5.....20 seconds? How old is unit? Does unit have internal ac to dc SMPS or external (lay on floor) SMPS? Did problem occur suddenly? What do you see on screen after "it" goes black and you shine a bright flashlight 1 inch from screen? Can you still see some icons being faintly displayed?? Is unit out of it's warranty period? If lcd panel is both black and blank, "switch-mode-power-supply" could be in full shutdown mode. If you see desktop, SMPS is in partial shutdown mode. You or electronics technician will need to evaluate and repair unit. Read my FIXYA profile for more options you may have open to you. Your monitor no different than any other "cold-cathode-fluorescent-lamp" backlit LCD monitor. There is a lot of DIY videos on YOUTUBE that deal with this type of monitor problem. Lots of tech types pick-up "black screen" lcd monitors at resale shops and refurbish them for less than $20 total cost, and they will work for another 2 -4 years. Do your research before making hasty decisions. If pocket is deep with disposable income, then just use e17tg as trade-in for new wide screen. Hope this was of some help. 12fixlouie
john_paul57, Yes it happens that way! Must be that dam "switch-mode-power-supply and or cold-cathode-fluorescent-lamp electronic ballast circuit called an INVERTER circuit. TOO bad. Atech will need to evaluate and make repairs to light -up your fluorescents again. Here are some points that may be of interest FYI Goto YOUTUBE and view some video clips (8-12min ones are the most informative) of "LCD monitor disassembly" and "LCD repair". After viewing info about BAD capacitors or failed electrolytic filter capacitors, and other things that relate to WHY LCD monitors have BLACK screens, and SMPS's that are in constant SHUTDOWN mode trying to save themselves from a total catastrophic nonrecoverable failure. (smoke,fire) Sometimes you can tell if the SMPS is in full or partial shutdown mode by shining a bright flashlight 1" from the BLACK screen and if you see the Icons on the WIN-desktop it is only in partial SHUTDOWN. Yes, lots of TECH types visit second hand resale shops and buy up all the BLACK screen monitors for $5, put $6-$8 worth of caps in and resell them for $50-$75!!
Well I've told you enough to get both of us in trouble now! Get back to me if this was of interest to you and would like to attempt a repair or you need more options as to having the unit repaired. I'm louie12fix on fixya, BYE for now. If this info was any help please rate this response on fixya.