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Question about Samsung SyncMaster 760 VTFT (White) 17 in. Flat Panel LCD Monitor

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Monitor shutoff Hi, my monitor comes on, but will only stay on for a moment. It will only come back on if I unplug it, then plug it in again. Is there a part I can replace? Thanks Cap

Posted by cap2008 on

  • cap2008 Aug 25, 2007

    Hi, you asked if the power light was still on. No, the light goes out, and I have to unplug the monitor, then plug it back. then hit the power and it comes on again, for a moment.

  • cap2008 Aug 27, 2007

    Hi ptkent, thanks for helping me with my problem.
    Before the lcd shuts off, I can see my desktop, everything is fine, then it completely shuts off. no fickering or anything. It just shuts down.

    thanks again



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Hi, do you mean, when you power on the lcd monitor, then the display come for a while, then no display? May i know the power led light is still on or what's the led color lit? If the color of led still maintain the GREEN light, then you may have a inverter or lamp problem. If this is the problem you need to repair or change the inverter board or ccfl lamp. For more details, you can go to this site to get some repair idea.

Posted on Aug 25, 2007

  • Anonymous Aug 27, 2007

    Hi Cap, i think you may got a inverter problem. May i know, before your lcd cut off, then how about the screen situation? For example, before this lcd shutoff, you can saw the display on it, then after 2~3 it shutoff, or before it shutoff, what's the display shows? Is it got flickering, up and bottom brightness not balance on it, then it will shutoff lcd monitor. If this case, i think you may change the lamp. May the up or down lamp, either one.



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Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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 LG and other monitors to get some ideas what to look for:
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When the computer is turned on the monitor goes off. Then when I unplug it and plug it back in it comes on and stays on until I turn the computer off and back on again.

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Either the power supply is going bad (power light will be orange or off when it goes dark) or the screen itself has the problem (inverter?). If the power button stays green but the screen goes dark, that'll be the problem.

When energized, screen stays on for about two seconds then blanks

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17 in Widescreen Mag Innovision

Dear tfollis

Have you checked the HZ that you are using the monitor in windows ? If set at a very high level (for example 100hz) it may damage the monitor as it is not supporting it. (and maybe this explains the reason for the shutoff as a means to protect the circuitry)

17 inch TFT/LCD Widescreens monitors are ussualy optimal at [email protected]

Right click on Desktop-->Properties-->Settings-->Advanced-->Monitor--> At this point check the Monitor Refresh Frequency.

Check this first and if this does not solve it then we can proceed to more serious hardware troubleshooting.

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