Question about Systemax Scanport Gem GL-821A 17 in. Flat Panel LCD Monitor

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Systemax model GL-821A

My monitor will come on for a little while then go out. some time it will come back on when i turn the monitor off then back on. Is this a black light issue or a invertor issue

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  • dlord826 Jun 08, 2008

    no it works and looks good until it goes out. if you look close you can still see the scene its just dark

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It sound like a monitor issue, does it have lines, or turn white?
sorry to say all monitors do not last as long as the computer

Posted on Jun 05, 2008

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1 Answer

Power Issues!


The AC adapter will go into shut down mode if the monitor is drawing too much current due to short circuits in the monitor, but it can also be bad caps in the power supply itself. You can try new adapter or check inside the monitor for shorted components.
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Apr 24, 2010 | Scanport GEM GL-821A/B 17" Flat Panel LCD...

1 Answer

I have a GEM 17" with power issues!


Sounds like your power supply capacitors are causing the power supply to shut down. Or you have a short in the monitor loading the power supply. You should try a different power supply.
Monitor Mike

Apr 24, 2010 | Scanport GEM GL-821A/B 17" Flat Panel LCD...

1 Answer

I didn't use the monitor for some time now when I connect it it flickers on and off is there a way to reset it? GL-821a 17" flat lcd monitors


Probably no reset function but a power supply with some failing electrolytic capacitors which can age even when not in use if they were poorly manufactured.

Oct 16, 2009 | Scanport GEM GL-821A/B 17" Flat Panel LCD...

1 Answer

There is no image on the screen, and the power light blinks on and off while the monitor makes clicking sounds.


Your monitor is definetly bad....if its under warra\nty take it back for exchange/repair.
If not, ya need a new one.

Sep 30, 2009 | Scanport GEM GL-821A/B 17" Flat Panel LCD...

1 Answer

Scanport gem gl-19072


Suspected the main board / invertor.

Jan 21, 2008 | Scanport GEM GL-821A/B 17" Flat Panel LCD...

1 Answer

No sound


1 check whether to the correct socket jack.
2 check cable continuity.
3 vol too low setup at the cpu

Dec 13, 2007 | Scanport GEM GL-821A/B 17" Flat Panel LCD...

1 Answer

GEM GL-821A has no display. The activity line does change from yellow to green. There is power to the display. What is wrong with it?


- lower resolution on computer ti 800 x 600 - look on screen to see faint image, if so, then inverter or backlight is gone.

Aug 24, 2007 | Scanport GEM GL-821A/B 17" Flat Panel LCD...

1 Answer

LCD powers off and on repeatedly


Your monitor power supply is unstable and needs your expert attention. Check out for bad capacitors.

Apr 02, 2017 | Scanport GL 821A 17 in. Flat Panel LCD...

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