Question about Samsung SyncMaster 740N 17" LCD Monitor

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Monitor stuck on black, menu buttons not responding

My monitor screen wont turn on basically, the screen was on standbye last night as in i turned the computer off and the screen goes to standbye. I wake thismorning to turn the computer on and the computer works a charm but the screen stays black, the menu bar wont come up however the screen is on with the light blinking, once turned on the light goes constant as if everything is fine however nothing happens. I plugged my girlfriends screen into my computer using only her monitor, my plugs and all and everything works fine :( plz help hehe.

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  • benstack Aug 14, 2008

    I am having the same exactly problem but unfortunately the solution offered does not work - any advise?

  • echauner Aug 15, 2008

    I unplugged everything for 30 minutes and when I plugged it in, the power button still just blinks and the screen is black. It worked fine for a year then all of a sudden, black. I have the 204B.

  • Anonymous Sep 25, 2008

    same here, turned it off at night, and on the morning it refused to start. The button shows that it's on, but i have no picture, only black screen. Unplugging it for 30 minutes didn't help, and i need to know if there are other ways to fix this because i can't afford to buy another monitor.
    By the way, it was making a strange high noise for about a week before the problem occured.

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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.

Posted on Sep 27, 2008

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Unplug the monitor from the power for about 30minutes, this will make it "reset" itself and might solve the problem.
If it helps, next time when you shut down the pc turn off the monitor instead of making it go into standby to avoid future problems.

Posted on Aug 08, 2008

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Posted on Jan 02, 2017

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