Question about Sharp LL T17A4-B 17" Flat Panel LCD Monitor

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Sharp ll-t17a4-b backlight

The lcd monitor backlight flickers when it comes on then the light goes off, i found an inverter at item number RINV-0024TAZZ
 but want to make sure that it is an inverter problem and not the cathode problem and that this is the right item. Thanks

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  • Jimbo888 Dec 28, 2007

    Flicker occurred for several weeks. Then the screen would black out after a shorter time after each time I turned it on. At first it would black out after an hour of use and over a period of two weeks it would black out after several minutes until it wouldn't light at all.

  • Anonymous Oct 07, 2008

    the montor will not stay lite



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When ever i try to sign in the messanger says erorr code 80072efd how can i solve this matter


Posted on Dec 18, 2007


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Dell UltraSharp 2001FP (Gray) 20.1" LCD Monitor

Most likely, this is failing "inverter."
The backlight of the monitor (that makes the image visible) is controller by a special chunk of electronics called an inverter. They tend to fail over time. The symptom is that the backlight either never comes on, flickers, or shuts off after a short period of time.
It is a moderately advanced repair job to change out the inverter, but you can usually get the part on eBay. Search for the exact monitor model number and "inverter".
The 2001FP has six lamps and the inverter is fairly expensive. You might be better off putting that money towards a newer monitor.

Apr 11, 2011 | Dell UltraSharp 2001FP 20.1" LCD Monitor

1 Answer

My monitor screen is coming on and off

Check the cable connections to make sure they are not loose. Do you see the image still on the screen when the light goes off? You might have a bad backlight inverter which would cause the light to flicker.

Mar 03, 2011 | Proview PL926WBi 19" LCD Monitor

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Sometimes the screen goes blank and today when I restarted the computer the screen is flickering very lightly.Does this means its going?


The picture board on your monitor is bad, since the power led or button is on and all connection are corrrect, it means the picture board of your monitor has developed fault.

The best thing for you to do now is to take the monitor to a local repairer within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself, in order not to complicate issues.

Take care

Jun 30, 2010 | Sharp LL T17A4-B 17" Flat Panel LCD...

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I need to find drivers for a Sharp LL T17A4-B 17 in. Flat Panel LCD Monitor. I recently changed it to a different tower and cannot find the driver for it.


Thanks for using FixYa. You can download its drivers by clicking on any of these two links:

Sharp LL T17A4-B Drivers

Sharp LL T17A4-B Drivers-2

Please do accept the solution if the issue is resolved or else revert for further assistance.


Mar 08, 2010 | Sharp LL T17A4-B 17" Flat Panel LCD...

1 Answer

1962wm screen has no display, flickers then goes b;acl

The backlight inverter has burned out.
Search eBay for LCD backlight inverter repair services.

Sep 05, 2009 | ViewSonic VX1962wm LCD Monitor

1 Answer

Monitor flickers goes out then comes back

You could have a faulty inverter or a CCFL lamp, To determine if you have a LCD screen, inverter or video card problem, read this and follow these instructions.
Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp.
Connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out
for parts, repair service and DIY info.

Jul 10, 2009 | HP Pavilion dv5-1125nr Notebook

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Back light

I would suggest Tritronics for the service manual and the replacement parts. Unless you have a service manual, it takes a lot of disassembly by careful observation (or trial and error) to determine how that delicate LCD panel is put together! Of course I'd want to be sure that the problem is not in the inverter instead since that's a much more common cause of backlight trouble. Unless you happen to know it's one or more CCFLs, then of course you'd want to replace them all since they have the same aging.

Jan 14, 2007 | Sharp LL T17A4-B 17" Flat Panel LCD...

1 Answer

Sharp LL T17A4-B (Black) 17 in.

Are you using the digital connection?? If so try using both the analog and digital connection then set the digital as the Main monitor in your graphics card interface. To check if the backlight is out, darken the room, and light a flash light into the screen. If you can see a picture, then you need to replace the backlight. Good luck

May 03, 2006 | Sharp LL T17A4-B 17" Flat Panel LCD...

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