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Learning what's inside your monitor

You may have heard that opening up your monitor's case is one of the hardest parts of LCD monitor repair, and you heard right. Here's why. Most of the components used in laptops these days are made in China, which means that there's a great deal of standardization in their manufacture, no matter who the ostensible manufacturer might be.

However, the cases are another matter altogether. While most of the cases have a catch inside holding them together, this catch varies from one make of laptops to another, and the methods of releasing this catch also vary. This is why I tell people that they need to download the official manufacturer's maintenance manual before starting on opening their monitor's case. Usually this can be acquired entirely for free from the manufacturer's own website, but just in case it isn't available, or even as an adjunct to it, you can stream a few YouTube videos to ensure that you do the job just right.

Because it's very important that you do - it's quite possible for you to break your monitor's casing if you do it wrong. However, once you get your monitor's casing open, the real job of repairing your monitor begins. There might be a shield under the casing, and you need to remove that shield carefully. Beneath you'll find the power connector. You need to photograph this, as well as making notes of the different connections. Make marks near the connections if that will help you remember them. It is VERY easy to make a mistake here, so please make sure you take every possible precaution BEFORE you disconnect the connectors.

The next step is to examine the inverter board in the laptop. This is easy to find if you have the manufacturer's maintenance manual. Once you have the inverter board in your sight, you need to take a good look at the many capacitors mounted on it, which is exactly where the core of LCD monitor repair usually lies. Many manufacturers are not above using cheap capacitors, and these have a nasty tendency to blow.

This can happen as a result of age, but it can also happen simply because you allowed your laptop to get too hot. Whatever the reason, if any of these little suckers have rounded tops, you know that you need to replace them. Make sure to photograph the inverter board, and then grab your soldering iron. Get the polarity right when you do the replacement, and you can consider your LCD monitor repair job done, and your monitor will be working again before you know it.




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