Question about Sceptre X20g-Naga III 20.1" LCD Monitor

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X20G-Naga III screen goes blank after 1-2 secs

My Sceptre X20G-Naga III screen will go blank after I turn it on. It will stay on for 1-2 secs before it goes blank. If i hold the s button down on the monitor the screen will come back on briefly.

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  • melllvar3 Jun 01, 2008

    does anyone know a handy layout of where everything is inside this monitor.

  • Anonymous Jun 09, 2008

    I have A Naga II 20", and have a similar problem. I also thought the lcd was going to sleep or shutting off. But the blue light was on. After looking closer I can see that the problem ( I think) is the backlight it keeps shutting off. I am able to see a faint (very faint) image on the monitor and when I flip trough the signal selector the backlight comes on briefly. Can anyone help.

  • Anonymous Jul 07, 2008

    I'm running dual X20G-NagaIII monitors on a Mac G5. The monitor on the right was working fine, then suddenly went black. I turned it off and back on. The image displayed for 1-2 seconds then went black. I unplugged everything, including power cord, hooked it back up and turned it on...same problem. Rebooted computer. Same problem. I think it must be the power supply.

  • bobfairchild Jan 13, 2009

    Same monitor, exactly the same problem! Screen can not stay on! Black out, turn off and back on, stay a few seconds and black out again!
    I have used LCD monitors for many years -- probably sine its inception. This is the first such problem I encounter on a LCD monitor. Is it because it was made in China with extreme low quality? I have cheapo old small LCD monitors --now I got it out of garage for temporary u! Can you imaging!
    Any help will be welcome -- don't tell me LCD made in China requires occasional soldiering work!

  • Anonymous Feb 19, 2009

    Screen flicks on then back off almost instantly. Continues to do so endlessly, as if it can't recieve the signal. Getting it to work is a **** shoot and the help here is very vague.



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Most common lcd monitor break down, check all electrolytic capacitors for leakage and loose board solder specially on the ccfl inverter section.

Posted on Jun 01, 2008


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Comes on for 30 sec. goes black

If you can make out a faint image then the fault is a backlight problem.
The fault could be an inverter board or the CCFL lamp/s
For service, parts and DIY info check out LCD Parts - click on this link to their WEB site : -

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X20G-Naga III screen goes blank after 1-2 secs

Device : Spectra X20WG-Naga
Problem : monitor comes on then flickers then goes off
solution: Replace Capacitor C101 (150uf, 35V) and Fets U101 and U102 (4511GM)
Comments: This is a common problem with this monitor.

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reinstall your video card drivers ,

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