Question about Samsung 225BW LCD Monitor
Hi, I have had 2 LCD screens giving me this problem. The main problem is, that I have to have the monitor on before turning on the computer. So that my computer upgraded automatically and restarted while the monitor is turned off, well when i go and turn on the monitor, no image is displayed at all, not until i restart the PC before an image is shown on the LCD screen. Anyone have a fix for this? or know why it does this?
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Posted on Jan 02, 2017
You should have received two cables with the monitor. One is for VGA and plugs into you video card or computer board . The second one is for DVI digidal video and if you have that cable it plugs into the square connector. Then if you look into your monitor manual or quick setup sheet it will tell you how to connect and set the monitor to either VGA or Digital. I'm sure that is what has to be set. Don't hook up both cables to the monitor and computer. Only use the one. Digital gives you a better picture if your computer has that function. Hope this is helpful. Bud
Posted on Jan 09, 2009
Do you have the video set to a range that this display cannot handle? Try rebooting into Safe Mode and set the resolution down to 800x600 or 1024x768 and see if it that will get you back. If so, then look up the specs of the display and set it no higher than it's max.
If it physicaly powers OFF, then you probably have a power issue.
Posted on Jan 20, 2009
It sounds like you have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of the monitor. If you are good at electronics repair/soldering you can usually fix the problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts,replace any that look like the pictures and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping.
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Over 21 years of computer and printer support/repair
Posted on Jul 17, 2009
walkstex, I will answer the last ? first. All LCD monitors WILL NEED to have their "cold-cathode-fluorescent-tubes" replaced!!! As long as your display had a Bright, Crisp image displayed on it before this "FLASHING" symptom occured, then you don't need new CCF tubes. Your problem seems to be occuring in the electronic ballast circuit called an INVERTER. It Takes 12-15v DC and turns it into 800-1200v ac to light up the CCF tubes. This is the same technology used in the new style curlieQ screw-in light bulbs called CFL's. Only difference is they use what is known as a CONVERTER circuit----AC to AC!!!! And the tubes hung horizontally on the rear of your LCD panel are thin and straight. So, to answer your first ? Yes, it is an issue of getting the CCF tubes to light up. (backlighting) Now, I should also mention that there could possibly be a problem with the main power supply in the monitor. It is called a "switch-mode-power-supply" (smps) that supplies DC for the digital signal processing board (typ +5v) and 12-15v for the inverter. Well, This typical type of symptom could be as simple as a thermally fractured solder joint on the power supply board or some bad Filter capacitors could also need replacing. I suggest that you search web to find out more about the things I have mentioned in the above text. Do search for things like "swollen capacitors", "Bulging Capacitors" and checkout www.badcaps.net for some pictures of typical failures. Get back to me if you want to carry this any further on your own. Bye for now. I'm louie12fix on fixya or lmistyrel @aol.com
Posted on Sep 23, 2009
SOURCE: Have a Samsung SyncMaster 225bw.
Dyderich, Yes, You should read up on all the causes of LCD monitor failures!! Your symptom will be among the top three cause/complaint of failures. LCD units can be repaired. If you have never used a soldering pencil, digital volt meter, DMM or Oscilloscope, then you should keep yur gruby fingers on the outside of the monitor. Your monitor's "switch-mode-power-supply" and the "cold-cathode-fluorescent-tube's" and the "inveter" power supply that lights up the tubes will need to be evaluated(trouble shoot) by a TECHNICIAN who knows all there is to know about CCFT's and what it takes to get them to light up!!! Or you can trade up to a younger model, and repair/refurbish the old and keep as a spare. You could also see if SAMSUNG has some sort of swapout program for newly refurbished same model monitors? ? ? Check with a Samsung dealer and or their website. Bye for now. I'm louie12fix on fixya or lmistyrel @aol.com
Posted on Sep 25, 2009
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