Question about Gateway FPD2275W LCD Monitor

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Black screen with high pitch squeel

As the subject line desribes, my monitor does not work. All I get is a high pitch squeel while the screen remains black. The blue LED power light also does not work.

Is it the power supply? Can I replace this>

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Hi...there,
YEah...sure! You need to replaced or repaired your backlight inverter....

Posted on Oct 13, 2008

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My GEM GL-1821A Computer monitor has a high pitch squeak that is intermittent in occurrence but sometimes continues for long periods of time. Got any ideas?


A high-pitch squeal is common in CRT TV sets and monitors. I've never run across this in an LCD monitor, but there's a first time for everything. If the sound isn't coming through built-in speakers (if this model has them) and is being caused by the computer, I would suspect the inverter circuitry. This provides power for the backlight, and there are transformers that may have become noisy. Because of their construction, it's possible for them to vibrate internally, and at a frequency that you hear as the high-pitched noise. There isn't a lot you can do to quiet them. When I worked on TV sets, I had mixed success using hot-melt glue to muffle the noise, but usually the only way to completely cure the problem was to replace the parts. It's unlikely you'll find the parts available for a monitor, so all I can suggest is to bear with the noise as long as the monitor is otherwise working properly. Or use this as an excuse to buy a new LCD monitor; they are quite reasonably priced these days.

Feb 16, 2011 | Think Computer GEM 15 Inch LCD BLACK...

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Monitor shows nothing can hear the sound effect when asus logo should appear and nothing black screen


Try to hook the computer to another monitor, this will tell us if the video card on the motherboard is shot, or just the screen is bad.

Oct 09, 2009 | Computer Monitors

1 Answer

Monitor Goes black, or flickers on and off


The high pitch sound is coming from the inverter. It is faulty and needs to be repaired or replaced. The inverter supplies high voltage to the CCFL lamp, this lamp gives the backlight to the LCD so you can see the LCD images.
Check out LCD parts for parts, service and DIY info. use this link :-
www.lcdparts.net

Aug 29, 2009 | ViewSonic OptiQuest Monitor

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ACER Al1916W goes blank in 3 seconds. It shows ACER splash screen for a sec., the desk top for .5 sec, then goes black. There is a very high pitch squeel each time there is any display. Power switch turns...


Hello,

Yes, The inverter is the problem on your monitor. We have a step by step guide to dis-assemble and repair your monitor posted on our web site at:
www.ccl-la.com/monitor_repair.htm Your model is the same as the westinghouse L1875NW. We have a parts kit for $12.00 if you need it, it can be purchased on the guide page. If you don't want to do the repair yourself we can do it for $35 + shipping. This is a common problem with that series of monitors but the repair will get you back going.

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

Jul 30, 2009 | Acer AL1916W 19" LCD Monitor

1 Answer

Horizontal black lines across the screen


you can try contacting Lumaco they are a British monitor repair specialist.
www.lumaco.co.uk

It might even be cheaper to buy a new one.

Jun 19, 2009 | Relisys TL 766 Monitor

1 Answer

Blank screen


Possible that the HV inverter or the CFL tubes are going bad / defective. I suggest to bring the unit to an authorized Acer service center for proper check-up / test & fix the problem. regards

May 16, 2009 | Acer X221WSD Monitor

1 Answer

Monitor will flash windowsxp when I boot up CPU but then goes out


Your monitors backlight is shutting off due to a failed component. The inverter circuit which drives the high current CCFL backlights, has a feedback design so that if there are any problems with the devices along the high current path, the high current will shut off. This way if something got shorted out, it would not sustain or cause any great harm. This is a great feature if you are the "short" in the circuit.

So in actuallity, your monitor is still on, and it's still showing you a picture. You just can't really see it because the light from behind has turned off. If you take a flashlight and put it up close to the screen, you'll see your desktop again!

As to what is causing this, It can be several things.
-A broken or burnt out CCFL
-A bad capacitor in the power supply filter or on the inverter.
-A shorted out IC.
-A mouse has crawled inside your LCD and chewed the CCFL wires. (this usually is accompanied with a high pitched squeeling sound, and/or smoke)

You can send me the entire monitor and I will repair it for $40. You pay shipping costs BOTH ways. Let me know if you're interested and I'll provide you with more information on where to send it.

Thanks
Chris
Boise LCD
sales@boiselcd.com
(208) 891-9117

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your monitor need to be service so take it to service center if you are in mumbai you can call for service
Ashok
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ACER AL1716 acting up BAD!


Be more specific. I guess your monitor has inbuilt speakers which are making noise. If yes do come back for a solution.

Sep 30, 2007 | Acer AL1716 17" LCD Monitor

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