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TFT Screen I have a TFT monitor with 4 tiny scratches on the surface. Is there a product that will remove these?

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I have a tft monitor 4teny sraches

Posted on Mar 03, 2009


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Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages.
Good Luck!

Posted on Feb 20, 2008


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Neither picture is displaying on moniter nor sound is coming (DELL TFT moniter)

Which is a dell tft or compaq crt monitor ?
The Dell 1504FP is a flat panel LCD monitor that has a viewable area of 15 inches.
The monitor, which uses TFT technology, is designed to be used in a home or office and displays video at a resolution of 1024 x 768 pixels.
Over time, you may encounter problems using your Dell 1504FP monitor or it may cease functioning altogether.
Fortunately, there are variety of ways that you can repair the monitor to get it back up and running.
Shut down your computer and press and hold the power button on the side of your Dell 1504FP monitor if your monitor has a blank screen.
Unscrew the VGA video cable that connects the monitor to the computer.
Power the Dell 1504FP monitor back on and wait as it launches into the Self-test Feature Check.
During this period of time your monitor will make settings changes to ensure that it functions properly with your computer.
Firmly screw the VGA cable back into the rear of the monitor to ensure optimal video quality. Power both the monitor and computer back on and wait for your computer's desktop to appear.
Power off your Dell 1504FP monitor if the screen is dirty.
Wipe down the monitor using a dry microfiber cloth to remove any dust particles or smudges that have accumulated on the screen over time.
Power the monitor back on when you are complete and resume using it.
Press the "Auto Adjust" button on the right side of your Dell 1504FP monitor if the display is blurry and images appear out of focus.
Unplug the monitor's power cord for thirty seconds if the problem persists.
Plug the monitors power cord back into the rear of the device and power it back on.
This will reset the monitor and your display should now be focused properly.
Troubleshoot a TFT Monitor
TFT monitors can suffer from many potential problems, ranging from simple screen brightness issues to disconnected inverter or LCD cables.
These can cause video- and backlight-related failures on your TFT monitor.
Fortunately, you can attempt to repair these problems, even if you have no experience fixing a TFT monitor.
The only tool you will need is a Phillips screwdriver, although opening your TFT monitor will likely void its warranty.
Check the brightness settings on the TFT monitor.
There are dedicated adjustment keys on the bottom face of the TFT monitor.
If it is a screen incorporated into the design of a laptop, you'll find monitor adjustment keys on the top row of the laptop's keyboard.
A TFT monitor that has its brightness turned all the way down will appear to be almost completely dark.
Ensure the TFT monitor's power cable is still plugged in, if it is an external monitor. In the case of a laptop, make sure that the power cable is plugged in or that the battery is properly charged.

Disconnect the TFT monitor from the power source. If the TFT monitor is an external model connected to a computer tower, disconnect the video cable as well.

Remove the battery from your computer if you are using a laptop.
This is an important safety measure.
Turn the laptop over and slide the battery release mechanism over.
This mechanism is just below the horizontal outline of the battery on the underside of the laptop.

Remove the screws on the bezel of the TFT monitor.
The bezel is the plastic piece surrounding the TFT screen.
The screws will likely be covered with plastic seals for aesthetic purposes, so pop these seals off with your fingers and remove the screws using a Phillips screwdriver.

Pry up on the bezel gently and remove it.
Start at one corner and work along the bezel's perimeter with your fingers.
There will be small plastic latches between the bezel and the rest of the computer you'll need to disengage.

Check the TFT monitor's inverter cable.
This black cable lies at the bottom center of the monitor and should connect to a socket on the inverter board, which is the green color horizontal strip that lies just below the inverter cable.
If the cable is loose from the board, the TFT monitor's backlight will fail. Pull up on one side of the socket and slide the cable back in, then press firmly down on the socket to lock it down.

Remove the metal brackets on either side of the exposed TFT monitor if the inverter cable fix does not solve your issue.
There will be two to three screws in each bracket that must be removed using your Phillips screwdriver.

Pull the TFT monitor carefully away from the rear casing of the display to reveal the LCD cable. This cable runs from the back of the TFT screen and should be connected to a socket in a similar fashion to the inverter cable. If it is disconnected, lift up on the socket, slide the LCD cable back in, then press down on the LCD socket to lock it back down.
if you can get a screen
Click start control panel administration tools computer management device manager scroll to sound video and game controllers you might see a yellow question / exclamation? ! mark or a red X Right click to reinstall drivers
If your computer came with a motherboard disk the drivers could be on it
or you might download slimdrivers.
Rather doing a driver hunt
Windows XP/Vista/7/8
Note: it will find all of your outdated drivers
This is a free driver solutions
which will automatically search for and find the correct driver
You will have to update every driver individually once you update you might be asked whether you want to restart or make a system restore point.
Click no to both of these then continue updating each driver free then restart once all of the drivers have been updated.
It might take some time being free

Aug 09, 2013 | HP COMPAQ 7540 CRT Monitor

1 Answer

How to clean screen

I dont know which type you have but here is how to clean either:

Those big chunky CRT monitors have glass screen which are easily cleaned. The important thing to remember is that you don't ever want to spray any liquid directly on the screen. Instead, spray the cloth with water or a mild window cleaning solution then wipe the screen. You can use the same damp cloth to clean the entire monitor case, as well. If you prefer, you can also use moistened paper towels to clean CRT monitors, You will be only cleaning the outside of the monitor case and screen. Never open the monitor casing which contain electric voltage that can cause a shock.

Flat Panel LCDs
LCD monitors are often called flat panel monitors because they are flat and thin. These are the types of screens that are used in most laptop computers, and they are also becoming very popular for desktop computers. LCD screens are softer than CRT glass screens, so they require some extra tender loving care. Keep your fingers and sharp objects away from these screens since they are susceptible to damage and scratches.
Use a soft dry cotton cloth to remove fingerprints and smudges from the screen. If this does not completely remove the dirt and splotches, use a small amount of isopropyl alcohol on the cleaning cloth that has been dampened with water. (A small amount of vinegar can be substituted for the isopropyl alcohol.) Again, spray the liquid on the cloth and never directly onto the screen. Do not use paper towels on an LCD screen as they can scratch the screen. Never use ammonia, ammonia-based cleaners, or strong cleaners which can cause the surface to yellow and become brittle.
It is good to have a special clean cloth that is dedicated to use on the LCD screen. Don't pick up any old rag, as dirt particles in the rag can scratch the surface of the screen. Special LCD cleaning cloths are available and can be an excellent investment.

Nov 01, 2012 | AOC e943Fwsk 18.5" Widescreen LED Monitor

1 Answer

Pro-710 clean front screen and crt

If the pic on your CRT RPTV is bleary, its front viewscreen is not the problem, and no, your set is not worn out even tho it really looks that way.
The solution is that the internal optics need to be cleaned, due to the high voltage inherent in CRT use. Remember how your old, thick computer monitor would get incredibly dusty on its face? That's because of the HV ionizing all nearby particulates and charging them with static cling. They then drift to and deposit themselves directly upon the closest smooth surface - in the case of CRT computer monitors, the face of the monitor. In the case of CRT RPTVs, the mirror and lenses. In other words, at certain very critical points on your 28 surface optical chain that comprises the CRT RPTV's projection light path.
Optics cleaning should happen once a year without fail, otherwise you're really not getting your money's worth out of your multi-thousand dollar set. And CRT HD ready RPTVs are classics, with 20 year service lives.
On some units only 4 surfaces need to be cleaned, like Mit. On others, like Pioneer, 10 of the 28 surfaces need to be cleaned.
But be very careful, these lens surfaces are made of very soft, vulnerable plastic, and are very easily scratched or - even worse - scuffed, which is thousands to tiny scratches at once. The mirrors in HDready sets are front surface or mylar - you are not cleaning glass at any point, with these sets.
As such you need to be painfully careful, as damage is immediate and permanent. I recommend contacting me directly before doing any optics cleaning on any projection set, esp. CRT RPTVs.
But oh, what a difference a day makes! This can all be done in a day, after which your CRT RPTV will look like a new TV again!
As such them 4_26_2012_8_26_17_pm.jpg4_26_2012_8_26_33_pm.jpg

Jan 14, 2012 | Pioneer PRO-710HD 64" Rear Projection...

1 Answer

How do I fix a scratch on an LCD screen? Its not a small scratch. I can see a small white dot through it. Is it possible to fix? Is there a risk of radiation?

There is no risk of radiation through an LCD. Only blinding light that can give you a headache. (I tried using a CCFL as a desk lamp. Headache follows, and despite what people keep telling me, I don't think I look like was born at Chernobyl.) As for the scratch, you must first come to terms that your monitor will never again be perfect, and then decide what is the best course of action for yourself and your skills with the understanding that this will not be easy and it will take quite some time. Personally, this is what I would do. Use something to very carefully blot the bright spot, I would probably use a tiny bit of ink on the tip of a sharpened toothpick. (Apply at a bit of an angle parallel to the scratch to avoid pressure points and stray ink.) It is better to have small dark spot on the screen than a bright one. Next, turn off then unplug the monitor and lay it down as flat as possible. Then, with a very soft touch, clean the entire screen with a gentle sanitary wipe. No strong or abrasive cleaners. If t.p. is what you have than that is what you have. If the wipe is dry, put just enough water on it to make it just damp enough to clean the surface. Take a damp q-tip and dip it in some ash then brush off any rough particles. Gently rub the ashen q-tip along the scratch lengthwise using as little pressure as possible. Rubbing across the scratch may make things faster, but will make the blemish larger, trust me. Repeat with the ashen q-tip until you are satisfied that the edges of the scratch are no longer rough. Very carefully with a barely damp fresh wipe, remove the rubbing's from the screen. Here comes the hard part. What to use to help close the gap, and gloss the finish. Nothing that I have seen or tried is perfect. My fist choice would be to leave it and thank whoever you do or don't pray to that it still works. If this is not acceptable, then if possible, get or debo an anti-dust or anti-glare or privacy screen for the monitor. If this is not possible, but you have access to a water based clear acrylic pen with a satin finish, you could go with that. Do not use gloss or high gloss, shiny things attract attention. Whatever you use to cover the scratch, make sure it is water based, because the solvents in others will tarnish or melt the plastic overlay of the LCD. Another possibility is, if you know someone in the area who paints, perhaps you could get a little water based clear coat with a satin finish, and use a tiny bit of sponge to apply it to the screen. Using even a small brush will leave brush strokes, but if that is what you have, then that is what you have. Best of luck to you, I hope it works out. :)

Sep 19, 2011 | Samsung SyncMaster 931B 19" LCD Monitor

1 Answer

Everything on my Dell Monitor E173FPf is tiny, what gives?

You need to re-set your screen resolution, RMB on your desktop and select properties - settings.

Jan 21, 2011 | Dell E173FPf 17" TFT LCD Flat Panel...

2 Answers

I just recently went on a trip where i had the Canon SX 10 IS continuously around my neck....Then i later realized that its LCD had too many scratches...:(. Despite no mishandling, tehre are so many...

Go to some local PC shop and look for LCD Scratch Remover. You should find it somewhere, but if not, you can order them from Best Buy or Amazon Please leave a reply! :)

Dec 23, 2010 | Cameras

1 Answer

My flat screen is scratched how can I fix it

It is very difficult to polish the scratches out. If you apply too much pressure to the surface of the screen you will crack the glass surface and the LCD element, and you will then need to replace the LCD screen.

Oct 21, 2009 | Computers & Internet

1 Answer

Scratch on nikon s210's lcd screen

I think it probably is but I know of an item I heard about from a friend called Displex. He had a PSP with lots of tiny minor scratches and he used it with success. You might want to give that a try.

Feb 08, 2009 | ViewSonic VA712 17" LCD Monitor

1 Answer

Dell E171FPb 17" TFT LCD Flat Panel Monitor Problem

The LCD and or the LCD inverted has failed. it is an unfortunate fact of life that nowdays it is cheaper to replace that monitor that to aquire parts for repair

Here is one on Ebay:

You can buy a new 19 for about the same price

Jan 21, 2009 | Dell E171FPb 17" TFT LCD Flat Panel...

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