How To Replace A Dell Laptop Monitor

How To Replace A Dell Laptop Monitor

How To Replace A Dell Laptop Monitor

In this article we are going to go though the basics of Dell laptop monitor replacement. Since everyone is looking in our days to so the laptop repairs themselves at home, we though such an explanation would be useful for some of our readers. When it comes to Dell laptop monitor replacement, it's difficult to explain the process for every laptop model so we have decided to focus on a specific model. Most laptop manuals explain how to take apart a laptop. It's sometimes better to consult the manual that came with your laptop or the ones which are available online from Dell as they are particularized for all the laptop models available on the market in this moment. We are going to go though the steps of removing the screen on a Dell Latitude laptop.

The first step when taking apart any electronic gadget is to make sure there is no electricity running though the gizmo because nobody wants to have unfortunate accidents at home. Take out the laptop's battery such as dell Latitude D620 battery, dell Latitude D800 battery, dell 8N544 battery and the power adapter from the unit before doing anything else. Look closely at the screen's bezel and you will notice screws which are normally located on all the four corners of the display. Very often, these screws are hidden by rubber covers and you need to remove them with a sharp needle in order to gain access to the screws.

To remove the screws, you are going to need a Philips head screwdriver. These screws secure the plastic bezel and after they have been removed, the bezel has to be unsnapped from the rest of the lid with great caution because applying force can cause cracks or damages in the bezel. You could start from the right corner and then gently remove the bezel by going to the middle and then to the left side of the screen. There are latches made out of plastic that need to be unlocked. When the tabs are hidden, you could try and find them with a screwdriver. Just use the screwdriver between the bezel and the rest of the lid and move it around in there until you find the obstacle. Then you can press the bezel at that point and the latches should release.

After you remove the bezel, the screen will still be attached to the rest of the lid as there are some more steps which you must follow. There are four screws which need to be removed in this next step. After you've done that, carefully place the screen on the keyboard (put a towel between the two if you don't want the LCD to get scratched) as there are still cables connecting the display to the back of the lid. There is a video cable which looks like a ribbon. It is used for delivering digital video signals to the display.

There is a push together connector which can be removed with a simple grasp right at the connector. Then you can pull it out carefully. Now you have to take care of the inverter connector. The inverted circuit is used to power the backlight of this Dell. The CCFL (which stands for Cold Cathode Fluorescent Lamp) requires high voltage in order to strike plasma. This kind of tube has a better life expectancy than the usual inverter and this is why most techs are going to replace the inverter before messing around and removing the backlight.

The next step will require removing that grey metal structure which keeps securing the display to the back light assembly. There are a dozen metal tabs which are bent into the depressions of that white plastic holder. They can easily be removed with the help of a small screwdriver. Dell has taped together the units on the top and bottom. This LCD uses a translucent light panel which comes in addition to the backlight. The light panel helps spread the back light evenly so there won't be any differences of light between different parts of the screen.

The CCFL backlight is secured in a special channel with the help of a strip of copper tape. You can use the tape again or you can replace it. When you expose the CCFL you can then pull back those rubber insulators located on the ends and unsolder it. This CCFL tube is soldered to the inverter on both ends. Removing this back light is only necessary if this is the actual problem with the LCD, it does not have to be removed if you simply want to replace the screen with a new one.

When you have removed the ribbon tape, then you can remove the LCD and ignore the other steps presented afterwards. If you want to replace the monitor and put a new one in your Dell Latitude laptop, you have to reverse the process and put the display assembly back together. Connect the video cable again and hold the LCD back in its place until you put back all the screws to put the grey metal structure back in its place.

After that, put the screen bezel back but snapping it back into those latches which you had to locate with the help of the screwdriver. When the bezel is back in its place, you have o put the 4 screws back together. Make sure you hide them again using the rubber covers which you removed in the first place. It should be easier to put the rubber covers together as you noticed that Dell did a pretty good job in putting them in there. They were really difficult to remove. Then put the battery back in the laptop or connect the power adapter and turn on the laptop to check if the new display works.

As you can see, the process is pretty simple and you don't need any exceptional tech knowledge to remove and replace the screen by yourself. If your laptop is still in the warranty period, we recommend you take it to a special computer service as you may void the warranty if you mess around inside the laptop.

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