Ghosting, Flickering, Green Sparkeling Lines, Color Washout.
Please help! My SamsungSyncmaster 204B started flickering, and having green sparkling lines on the desktop icons and pictures. It then started the color washout **** to a flashing screen of grey and white horizontal lines and then to a solid grayish white screen. The screen flashing happens when nothing is even hooked up to it now. I have tried running through DVI and Analog and the problem still persists. It has gotten to the point now to where I all the screen will do is flash. I have tried all the stuff you guys recommended to the other people and nothing seems to work. I have tried CPUs with Nvidia and ATI nothing seems to work.
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The Samsung 204B monitor have a know issue with failing power supplies that cause the exact problem you are having. At first they are a little slow to display a picture and the more you keep using it the longer it takes for the display to come on. The repair is simple if you can solder. Here is a link to a site with additional information on this repair. http://www.ccl-la.com/blog/index.php/samsung-204b-lcd-monitor-repair/ This Samsung 204B monitor is a great unit with a simple to solve issue. No need to trash a good unit.
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punchjackson, You or qualified electronics technician will need to open and visually inspect switch-mode-power-supply board to possibly determine cause of SMPS going into partial or full shutdown mode. Do some reading in fixya profile of "louie12fix" and then visit links you find there. Remember this!!! The basic design and operation of your 204B isn't any different than any other "cold cathode fluorescent-lamp" back-lit LCD monitor. Inspect all solder joints and electrolytic filter capacitors first. Then let us know what you find. Also do a visit to YOUTUBE for lcd monitor repair videos and see what a Bad Capacitor looks like before you open your unit. 12fixlouie
1. this may be due to cable select and or cable not being secure at connection point 2.check your instruction manual for proper setup for digital signal to the LCD monitor and the to your video source.