The monitor was working fine for 2 years. A couple of days ago it stopped working. The screen is blank with the power button blinking. i have exchanged the monitor with another which works, so the problem is definitely with the 204B. do you have any suggestions? Do you know how the 3 year warranty works?
If you know how to open it up and get to the power supply you will find three capacitors 2-820uf and 1-330 @ 25vdc 105o.they will have puffed up tops replace them. FYI the monitor has a 3 year warranty.
Monitor is about 18 months old. Was working perfectly until about 3 months ago. Then started having trouble coming out of sleep mode. Power cycling several times would normally recover it. (using the hard switch on the back next to the power cord).
3 days ago, even this stopped working.
Now i just get the fast blinking led on the front. (faster than once per second, approximately twice per second).
The sad part is that this is probably some kind of internal power problem. The LCD panel ($$) is fine.
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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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Yes, It sounds like the backlight inverter circuit is shutting down. No inverter power, no backlight. On some monitors the inverter circuit will shot circuit the power power supply which makes the power light flash on some it just kills the backlight. You can usually check with a flashlight. Hold the flashlight pointed at the screen and see if you can see any of the icons or background picture. If you can then it is the backlight circuit or backlight tubes, usually the circuit.
Different video cards offer different ways to deal with a user's screen. ATI, and others, for instance, offer a "virtual desktop", which does what you're describing. You get to the settings that control this feature from the Personalize->Display Settings menu options. Here you'll also find the different resolutions your video adapter supports. If the 1600 x 1200 resolution is listed, then I would remove the existing driver for both the adapter and the monitor, and reboot the machine. On startup, Windows will most likely detect the "new" hardware (actually, your existing ones) and will go through the process of finding the appropriate drivers for your adapter. Good luck!
I too have a dual monitor Samsung SyncMaster 204 setup. My monitors started flickering, then a week later had turn on problems like your describe. I found a fix on this fixya website and followed the fairly techie suggestion. It worked. I wrote up a .pdf set of instructions so others might also benefit. Hope this helps. Doug
Goto cotrol panel/display/settings and set the resolution to 640x480. Make your you are using the video driver from the manufactorer for your video card. Windows generic drivers do not work well for all monitors. When you get the proper video driver you can reset your resolution back to a higher setting.