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I've got a dead insect inside my monitor, but it's visible right in the centre of the screen! Is there any way of cleaning it out?

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  • Syatavatar Aug 07, 2008

    Yeah, I've already contacted a TV repair guy, he says he can probably get it out. Thnx

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  • Master
  • 2,785 Answers

You have to open the monitor, it will be better if you ask some professional to do it for you

Posted on Aug 07, 2008

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Tip

Monitor LCD Screen Replacement With A Laptop Screen


This tip is for the typical PC tech with a shop full of dead laptops and monitors, looking to make an extra Monitor for bench testing malfunctioning PC's. Maybe you're a tinkerer and just have some spare parts laying around, and want to make something cool and easy. Either way, this tip is a fun way to make old dead parts work for you, rather than sitting in a corner gathering dust.

Replacing a Laptop screen is pretty easy if you take it slow.
LCD Monitor screens are actually easy to replace too, if you are careful not to crack anything getting one out and in again.

This tip doesn't address any of the typical replacement methods.
What this does is show you how to use a laptop screen in a standard Desktop LCD monitor.

Having already disassembled your Desktop monitor, and determining that one or both of your backlights is dead, you will most likely begin searching for sources of a new one. Before you do that, try testing both backlights in the dead monitor screen first by hooking them, one at a time to an inverter in a working laptop to verify that both are dead.

Most of the time, you will discover that only one light is dead, and this is where the fun begins.

At this point, you have a few choices to make.

1. Extract a working backlight from a cracked LCD, we all have a few of those lying around somewhere in just about any PC tech area.
2. With the extracted backlight in hand and the old LCD screen still attached to the monitors electronics, remove either of the sets of wires going to one of your backlights, leaving one still attached.
3. Now you can attach the light you extracted to the empty socket your original screens light attached to, while leaving the other one still attached.
4, Now, turn on the monitor and wait for the extracted backlight to come on, if it doesn't switch it with the other light socket plugged to your screen, and plug the opposite light wire back in.

This will do 2 things for you. First, it will be a quick test of your inverter, and second it will verify that you do or don't have at least one working backlight still functioning in your monitor.

Remember that with most LCD monitors, just one backlight can provide enough illumination for your screen to show a very crisp picture.
The problem appears though, when we decide that our existing LCD is dead because we dont see it light up.

The solution for this is to simply disconnect the dead light wire from the existing inverter plug leading to the LCD screen, then replacing that with a working light from the cracked screen without disassembling the LCD screen itself. If you did everything right, your old dead screen will be working as it should. Be sure you swap the backlight connecting wires so that your Bright/Dim controls work as they did before.

You see, most dual light inverters work the same as a standard twin tube household flourescent light. When one goes out, they both eventually stop working. So, adding that second light completes the circuit, then swapping light socket connectors turns your backup light tube into the primary light, instead of the secondary.

Now, if THAT trick didn't work, you can move on to the Laptop LCD trick, which is pretty much what you did before, except that the Laptop LCD usually only has 1 light tube. So for this to work, you can complete the lighting circuit by simply adding your spare backlight tube to the second open backlight connector, then installing the LCD to your monitor.

Many of these Laptop LCD screens are the same height and width as comparable Desktop screens, but they are also thinner, and will have to be glued or taped to the frame from the inside. Everything else connects exactly as the original screen, but may need to have wire added to the Laptop backlight wire so it reaches the power source.

I figured this tip was worth posting, since I just did this trick with a 15" polaroid HDTV/HDMI/HiDef Television/Monitor combo.
The model I have died a few months after it was bought new from Walmart, and the customer just didn't feel like paying $129 for a new screen.
Being the packrat I am, I just couldn't bear throwing it away, figuring that some day I would find a matching screen. As you can see, I got tired of waiting. The pictures of my project are below.

dc79966.jpg2e21d78.jpg

That bright line of light isn't the flash from my Camera, it's the flourescent light tube from a broken LCD screen placed on top of the steel housing.
The incidental effect of that light is that my back wall is a nice nitelite, and hooking up new components is a lot easier. Yes I could have blacked it out, but I think I like the added light behind the TV.

I hope this Tip comes in handy for you.

Bob S.

on Apr 08, 2010 | Computers & Internet

1 Answer

I have tried using the alba lcd22advd as a monitor for my pc but can't view the whole picture on the screen. how do I adjust it so that I can see the whole desktop page?


You might need to fit screen . Click start control panel display desktop you can select a different desktop from the drop down list or a browse button where you can select different pictures this may vary depending on your operating system. Also settings you can change the settings for more or less pixels or from the drop down list pick the appropriate level of color range or troubleshoot also select advanced then general dpi normal , larger or custom settings
always click APPLY after making any changes. Right click in the top toolbar you will see a number of toolbars and options select the menu tab this will add to the Toolbar File Edit View Favorites Tools and Help On the top of the internet page you should see some tabs file edit view favorites tools and help Click on the view tab on the drop down list you should see a zoom % and full screen option. Click a different percentage also a text you might try a different text although this will not increase the of the page only the text fonts inside it
There might be a menu button on the monitor where you can adjust reduce / expand the screen s usually located on the underside of the monitor of course this will depend on your brand of monitor.

Hope this helps.

Jan 04, 2013 | Computers & Internet

1 Answer

Dell inspiron 400 W7 dont wake up, monitor and startbutton(yellow) says its sleeping..how can i wake up?


You need to call the service centre. I've had this happen to my computer and this is not a DIY project that can do any good. If shutting off the power and then switching it on again after a while isn't working, then there's something seriously wrong inside.

Jul 13, 2011 | Dell Inspiron Zino HD Desktop Computer...

1 Answer

I have dell E170S lcd monitor. there are some kind of dust look like pixel some are small some are much bigger and it is so irritating for viewing. i want to clean those dust from my lcd. those dust are...


They are probally attracted to the light inside, do not smash them while they are inside. I hope they are not roaches (im not saying that they are). Try putting a another light outside of the monitor (turn off your monitor) and hopefully they will follow that light and leave. I'm sorry but that's the only thing I can think of, because you don't want to go messing around insite that monitor. I hope this helps Khalid.

Dec 06, 2010 | Computers & Internet

2 Answers

How to minimize my screen resolution


From the desktop:
- right click
- properties
- settings
- resolution

Feb 08, 2010 | Gateway GT5220 PC Desktop

1 Answer

Heavy white lines accross the screen


change the ram and viedo card agian

Jun 07, 2008 | Computers & Internet

1 Answer

My Gateway Computer Screen is faded ,everythink looks like on the screen ...for example- you print something and no paint in the printer and the colors letters.etc. hardly visible ....so my computer screen...


It sounds like the voltages set in the LCD driver color references are dead. Maybe if you open it up it will have a loose voltage divider or bad LCD clock/voltage distribution boss circuit. It can of course be that the transistors on the panel are themselves destroyed, but check the below first:

Set the resolution to the monitor's native resolution (1680x1050), and change the panel's brightness and contrast to try and improve things. If it's not glare, make sure the temperature is okay for operating the monitor and perhaps check the video source (another video card or such.) Did the monitor always have this problem?

May 11, 2008 | Computers & Internet

2 Answers

Easynote R4 no screen visible and nothing from an external monitor either.


Hi,

graphics chip blown.
are you getting any lights flash at startup, or any beeps for the bios errors ?

Mike @ compurepair.

Apr 04, 2008 | Intel Celeron -D 2.26Ghz Computer System...

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