Posted on Oct 31, 2010

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Display appears for 1 second only then goes black ... model x20wg-naga

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Bud Martin

Master 11,361 Answers
Posted on Nov 01, 2010

Bud Martin

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Joined: Oct 24, 2009

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Did you open it up and inspect to see if you can see any caps with bulging tops, check the 5v and 12~16vdc voltages?
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 SCEPTRE and other 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.

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20inch monitor only has video for fraction of a second. then goes out. does this every minute or so. i used vga instead of dvi, same. i used mobo instead of video card, same. picture comes to second screen...

It may have power supply problem due to bad DC filter caps, bad backlights inverter circuits, and worst case will be the lamp assemblies.
You need to open it up and check the caps in the power supply section first.
Example: http://s807.photobucket.com/albums/yy352/budm/SCEPTRE/Sceptre%20X7G/

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

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Aug 12, 2011 • Sceptre NAGA II X20WG 20 inch LCD Monitor

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I'm not aware of any ability to lock the keys on any monitor I've seen. I've not used a lot of Scepter monitors but it seems like a rather pointless option to have. So unfortunately the monitor seems to be malfunctioning and will have to be repaired or replaced.
The only thing i can suggest trying is unplugging the monitors power cable for a few seconds in hopes it will reset the monitors control buttons.

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May 29, 2011 • Sceptre NAGA II X20WG 20 inch LCD Monitor

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I have a 32 inch sceptre naga. when i turn on a tv, the blue screen appears for less than a second and then goes blank. the sound is still on. what could be the problem

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

FIXED!
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.

I’m happy to help further over the phone at https://www.6ya.com/expert/paul_0af9b1d5c0eb4fc3

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Oct 02, 2008 • Sceptre X20g-Naga III 20.1" LCD Monitor

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

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May 31, 2008 • Sceptre X20g-Naga III 20.1" LCD Monitor

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This is the same problem I am having with my Speptre X20WG Naga Monitor.
The power LEDS are usually red in standby and blue in opp; but now they just go purple and nothing happens..no sound no picture. I called tech support and no dice they just wanted my money, but I think all we might have to do is change a fuse on the main pcb! As you can see the white arrow isnt really pointing to anything specific! I think the fuse is the lt blue component, but am not sure. This is all I can offer! If you gat any good tips or if anyone else finds a fix please email me [email protected].
Thanks! and good luck m007!

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Nov 17, 2007 • Sceptre computers5: X9 S-Naga II 19" SXGA...

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20inch monitor only has video for fraction of a second. then goes out. does this every minute or so. i used vga instead of dvi, same. i used mobo instead of video card, same. picture comes to second screen...

Sceptre NAGA II X20WG 20 inch LCD Monitor

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Display appears for 1 second only then goes black ... model x20wg-naga

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Bud Martin

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Related Questions:

20inch monitor only has video for fraction of a second. then goes out. does this every minute or so. i used vga instead of dvi, same. i used mobo instead of video card, same. picture comes to second screen...

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X20g-Naga III 20.1" LCD Monitor

20inch monitor only has video for fraction of a second. then goes out. does this every minute or so. i used vga instead of dvi, same. i used mobo instead of video card, same. picture comes to second screen...

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Cindy Wells

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Related Topics:

Trustworthy Expert Solutions

Display appears for 1 second only then goes black ... model x20wg-naga

1 Answer

Bud Martin

Add Your Answer

Attachments: Added items

Related Questions:

20inch monitor only has video for fraction of a second. then goes out. does this every minute or so. i used vga instead of dvi, same. i used mobo instead of video card, same. picture comes to second screen...

Hi My monitor that i have used to let us shut off the monitor manually, it no longer does it reads key lock whenever we try to turn it off and if we try to adjust any settings it will read key lock in the...

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X20g-Naga III 20.1" LCD Monitor

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