Question about Samsung 943NW Monitor

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Monitor flashes at the bigining at the start up and turns OFF. Music plays as usual but without pic. When the monitor is switched off and on from the bottom touch control panel, monitor flashes again with the desktop screen and goes off. When this is done for 30 or 40 times the screen reappear and continue to function normal. But at the restart the same problem appears.

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It has dying power supply due to bad cpas, that will be the first place to look.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Posted on Nov 08, 2010

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Posted on Jan 02, 2017

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Hi! I have a problem with my Samsung 943NW Monitor. Recently I plugged in a thing which splits my sound input in two: one for a headset and the other for the loudspeakers. After done this my monitor d Recently I plugged in a thing which splits my sound input in two: one for a headset and the other for the loudspeakers. After done this my monitor driver just vanished, and I had a noname plug and play display and the 1440x900 resolution just vanished and was 1024x768 instead. When I tried to install the correct driver (which windows says I've sucessfully done) nothing has changed. I'm using Windows 7 64 bit, which was the only change in the late months around my com, so this MUST be related some way. When I tried to install the driver from the disc I have given along with the monitor itself, the installer says I need to visit samsung's website for 64bit and Vista drivers. No downloaded drivers worked either. Then, after hours of searching I just watching my messed up screen, then suddenly windows did something I still couldn't figure out, and everything was fine again! I had 1440x900 resolution and everything went well... until today... This all happened a few weeks ago, and now I had to move my come in my room from one point to the other, so I plugged everything off, moved it, plugged back in, and now I have the same issue, but still without a solution. If you need any other specifics just ask, and thank you for your help in advance! P.S.: In sort, the windows 7 64bit is messing with the monitor driver after I plugged in the jack thingie, but removing it isn't solving the problem at all.

Mar 01, 2017 | Samsung 943NW Monitor

0 Answers

Hi! I have a problem with my Samsung 943NW Monitor. Recently I plugged in a thing which splits my sound input in two: one for a headset and the other for the loudspeakers. After done this my monitor driver just vanished, and I had a noname plug and play display and the 1440x900 resolution just vanished and was 1024x768 instead. When I tried to install the correct driver (which windows says I've sucessfully done) nothing has changed. I'm using Windows 7 64 bit, which was the only change in the late months around my com, so this MUST be related some way. When I tried to install the driver from the disc I have given along with the monitor itself, the installer says I need to visit samsung's website for 64bit and Vista drivers. No downloaded drivers worked either. Then, after hours of searching I just watching my messed up screen, then suddenly windows did something I still couldn't figure out, and everything was fine again! I had 1440x900 resolution and everything went well... until today... This all happened a few weeks ago, and now I had to move my come in my room from one point to the other, so I plugged everything off, moved it, plugged back in, and now I have the same issue, but still without a solution. If you need any other specifics just ask, and thank you for your help in advance! P.S.: In sort, the windows 7 64bit is messing with the monitor driver after I plugged in the jack thingie, but removing it isn't solving the problem at all.

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