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I bought a new laptop through the Community Health Network and now have a tiny crack in the monitor that is making the monitor blurry. I don't know how the crack happened, but I need it fixed.

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Check with the seller on a warranty. If no warranty, check with the manufacturer for repair / replacement services. If neither of these are workable, you can search ebay for a replacement screen, and DIY.

Posted on Nov 19, 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

My 19" Crt Monitor is blurry on windows 7 64bit


The Crt monitor may not have a higher resolution rate that the new ones have for windows 7 64bit, if that is not the case the monitor has a high voltage problem in the flyback transformer, but! it does have a focus adjust, use this with extreme care, may solve problem.

Jul 05, 2012 | Gateway Computers & Internet

2 Answers

Computer monitor has blurry display


If you have another PC in the house, try plugging in your monitor to that PC instead, and see if the issue follow the monitor. If it does, you could do a Factory Reset on your monitor to see if the issue is fixed. You can do this by Hitting Menu button on your Monitor and finding the Factory reset Option. IF the issue is not fixed, you will most likely need a new monitor, you can easily find one online or at a local store for under 100 dollars.

Jul 03, 2012 | Dell Computers & Internet

1 Answer

Can the number wheel be replaced in a Casio 160 CR-B cash register? The till was bought in 2005


They don't sell parts for them. They just sell you a new printer. You have done well. These tiny cheap machines don't last a long time. They expect you to throw it in the bin and get a newer one now

Oct 14, 2011 | Casio Parts Cash Register PC Desktop

1 Answer

My samsung monitor is starting to have really bold and a bit blurry type showing up on the screen. Is it possibly going out? Not all of the type is this way just the far right side?


Bro your monitor is broken, and is on the verge of breaking down. I had a similar problem and had it repaired at the shop I bought it at. Problem was fixed, then broke down and nothing would appear on the screen. I bought a new one. Maybe you should do the same bro.

Jul 24, 2008 | Computers & Internet

1 Answer

I have just got this 22'lcd Samsung 225ms. I cannot seam to fix the problem of blurry letters. This can be very hard to read even at a distance. I have searched for updates online for my nvidia g force...


This monitor will only have a sharp image at a resolution of 1680 x 1050. Any lower setting will result in blurry images.

In an LCD the pixels are fixed, and using any resolution lower than the optimal will cause blurry images. This is called Image Scaling:

http://en.wikipedia.org/wiki/Image_scaling

If that resolution causes the icons to be too small, you can change the DPI setting to 120 from 96, that will make them larger

Jun 09, 2008 | Computers & Internet

1 Answer

I just bought an acer 4720 laptop, and i am trying to hook up to a wireless network, but i really don't know what i'm doing. do i need a subscription? is it safe to use an unsecured network so long as i...


You need to have a wireless network in range. AV and firewall software are a good idea. To connect to a wireless network you should have a little icon that looks like a monitor with )) beside of it on your task bar. Right click on it then select view avaible wireless networks. then select a unsecured network, wait for it to connect and then surf on.

Apr 19, 2008 | Computers & Internet

5 Answers

Blurry and wavy monitor


if the unit is onboard video card, try to install a new video card.

Mar 06, 2008 | E-Machines eMachines Desktop PC

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