Question about Samsung SyncMaster 930B 19" LCD Flat Panel Monitor

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The montior shuts off and on

When I plugged the flat screen and connected to the pc everything seems fine but it turns on and off
what is the problem with it worth getting a part.

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Re: the montior shuts off and on

If it is doing this during normal use, try using the little control buttons on the monitor itself to navigate through its configuration menu and try to find anything about screen savers, power saving, shut down, anything like this, and disable it all. And set everything else to AUTO if available. :>)

Posted on Nov 16, 2007

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Find a nearby electronics repair shop and get it checked over.

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If not then you'll need to replace the monitor.

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Well the good news is this is usually due to the connection to the PC and not the montior. Check your monitor cable and make sure it is tight to the back of the monitor an tight to the back of the PC.

If everything is tight then you may have to look closer at your video card or on board video. Let me know....

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It's sort of a solution, but I work in a computer shop and got this screen in yesterday. I looked at it closely and it's actually the backlight that died. I pulled it apart and found that three of the 820uF/20V capacitors had swollen up. If you replace them then you should be fine, but I went for a different approach and took the inverter board from a laptop and put the in the screen and used an external power supply. It's a bit dark but it works fine now.

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Due to the power surge, it is highly possible that the monitor was given a boot by your computer on it's way out.

This will short out a very small transistor inside the monitor on the video board and in turn, then monitor cannot see that there is a signal so goes to sleep.

If you get brave enough to venture inside the screen, then check near the cable input. The transistors are only around 3mm and have 3 legs (two one side and one in the middle on the other).

If you find anything like that burnt (get a magnifying glass) then replacing the board is the easiest option. Just don't be tempted to wipe the board before you look at everything very closely, you may wipe away the tiny bit of evidence you are looking for.

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Screen on first start doesn't work

Hi there,

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:
  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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Yes! :)

Your monitor is not the problem. Check all the connections from the back of the monitor, to the computer.

"No Signal Analog" means your monitor is working perfectly, however is not receiving signal from the computer.

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Try unplugging everything. Leave it unplugged for at least 5 minutes. You need to give the system time to drain all the excess power.

Again your monitor is fine, blue light > No signal > orange light is totally normal for your montior.

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