Question about Samsung 19" LCD Syncmaster 931BW Monitor

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My Samsung SyncMaster 931BW monitor has been working fine for me. It was working fine last night turn it back on this morning and the screen is just black. Reset computer checked the cords and power outlet none of which seem to help. The blue power light still flashes and you can turn it on or off but nothing on the screen changes, there's some occasional noise but no real activity I haven't noticed the screen at any point show even flashes of my screen.

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  • dbm365 Oct 05, 2010

    After about an hour of leaving it on the monitor started working. I'd like not to go through this everyday so if there are any fixes I'd love to hear about them.

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Try it with another PC to make sure is is not the PC video card problem, also chek the cable. If it still does not work, then you will have to open it up.
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://en.wikipedia.org/wiki/Capacitor_plague

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

Posted on Oct 05, 2010

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I have a SyncMaster 931BW which I duel Screen with a analogue montior.

There are Three things that I would check:

  1. Connection: if you are using the DVI adaptor, try using just the analogue (VGA) connection into your PC. You may have a faulty DVI adaptor which the PC cannot detect an output device.
  2. Drivers: If you have a standard monitor connect that to the PC and see if there is any output, if so, you may need to install the drivers for your monitor. You should have a Samsung Drivers Disc, or visit the Samsung website: http://www.samsung.com/uk/support/download/supportDown.do?model_nm=930BF&mType=DR&vType=L
  3. Cable: ensure that the cables are not knotted, and that within the adaptors the pins are all there and not bent as there is not a proper connection with the device.

Try them.

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