Question about Dell E173FP 17" LCD Monitor

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Fade light my flat screen dell computer show a very dim light and nothing else. I have it for 1years 6 month. no one can fix it not sure if it blow out. what is wrong

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There are 4 transistor c5707 when these get weak of fail they cause the voltage for the lcd bacxk light to turn off causing a no back light or dark screen if you can see the display but its very dark then you have bad transistors and if you replace them and it works buthave a wavy look you needto also replace the filter capacitors all ways look for cap that are bubbbled up on top it is a sure sign off a dead or bad cap. I repair these screens every day

Posted on Jun 10, 2009

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That is either a defective controller board or a faulty LCD controller board.

Parts must be tested before replacement.

Posted on May 22, 2009

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When I turn on my Dell XPS M1530 laptop, it shows a white screen that then fades slowly to gray and blue, instead of showing the bios. An external monitor shows the same. Anyone has had this issue and...


It seems you're having issues with the internal video card or motherboard.If you're not able to boot to bios it means your laptop didn't pass the POST (Power On Self Test). tried running the dell diagnostics.

here are the steps:

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2. while the laptop is off, press and hold down the FN key then press the power button. The dell diagnostics should come up. If nothing happens, you should call Dell to check more options.

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Do you see this issue in safe mode?

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Gradual diming of screen over the past month.


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Mar 22, 2010 | Dell E173FP 17" LCD Monitor

1 Answer

My screen shows black you can hear the computer


The fault sounds like a invert problem, the inverter supplies high voltage to the CCFL lamp which provides the backlight or a faulty CCFL lamp. If you see a dim image when you look at the LCD screen at a sharp angle then this confirms this diagnostics.
For parts, service and DIY info I have use LCD Parts - click on this link to their WEB site :-
www.lcdparts.net

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Screen dont work


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Otherwise can be the controller board or power supply.

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Monitor fades and turns blue


this sounds like a transistor issue concerning the ccfl lamps the power transistors are deteriorating and they will eventually go bad you can have them replaced and that should fix the issue. otherwise I would say have the capacitors that feed the ccfl's may be getting old and need replacement as well, its not something the average customer will want to do but if you have a service center that does electronic repair then that would be bst.
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Jan 30, 2009 | Dell E171FPb 17" TFT LCD Flat Panel...

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Dell 1702FP 17" shows nothing after Radeon HD 2600 put in.


Is the card plugged into the (PCI/AGP) slot correctly? Did you disable the onboard video in the bios? Also be sure to check in windows device manager and check for the graphics card to appear there.

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Dell - 17" flat screen


This sounds like the back light is gone on the monitir... to check this look very close at the monitor whet the PC has booted, if you see a VERY dim image on screen then it suggests that the back light is gone.

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Jul 12, 2008 | Dell E172FP 17" LCD Flat Panel Monitor

1 Answer

LCD TV Acer is fading out


If what you are saying is the screen shows up and then goes dim or starts dim, and you can see a dark image (maybe reddish in tint)...

Your problem is a bad CCFL (Cold Cathode Fluorescent Lamp) at the top of the LCD panel.

You can find many websites that sell these parts, but make sure you have the right model.

If you feel comfortable with working on components, you can replace this part yourself. Otherwise, you may want to pay a technician to do it. Make sure to get a fixed price quote before authorizing the work.

Here is a website on LCD repair for laptops, but it the same principal for most LCD displays (TVs).
http://www.ccfldirect.com/lcdtutorial.html

RDO

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2 Answers

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Do you have the same issue when the cable is disconnected from the computer? If so, and the the brightness function doesn't change, then you have an IC Chip failure and the replacement boards are not available to you or me as Dell is Dell and everything from them is proprietary. If you are under warranty pursue that if not, time to replace. Consider this a time, unwanted time, but time to upgrade.

Oh, your right about the sacrificial diode on the power card... you wouldn't see anything.

Hope this fixed ya.
Regards,
Worldvet

May 15, 2008 | Dell E151FPp 15" TFT LCD Flat Panel...

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