How To Diagnose A Problem With A Laptop Screen

Almost always, the most common problem between laptops and their owners are the laptop screens

. It is indeed common to run into problems with the screen of laptops, aside from other computer worries like hard drive crashes, defective batteries, and faulty power connections. You should already anticipate this; after all, it is better to be safe than to be sorry.

Among the problems related to it are: annoying lines on the monitor, a cracked screen, plasma effect, weakness of the LCD, dark pixels, problems with the backlight, or a combination of any of these.

There are many easy tests to use that make owners aware of their problems with the LCD. In addition, it can also gauge the estimated cost of repair. As a disclaimer and precaution: this is only a diagnosis; it is not a solution. It is still good to take laptops to a repair centre. If owners try to do repairs themselves, it may result in a lot more damage than what was initially present. It could also void the warranty, if this is still covered.

Problem 1: Broken Screen

The diagnosis for this problem is a no-brainer. Owners should just buy a replacement or external flat panel.

Problem 2: Screen Markings

Although people usually think of it this way, this problem is not caused by damage to the LCD or on the internal video cables inside the LCD. When a laptop is dropped really hard while the LCD and hard drive are on, they can get damaged. The laptop should then be plugged to an external monitor or an LCD television. When the images do not have lines, the problem has something to do with an LCD cable or the LCD itself. When there are lines on the external screen, the problem is more often than not about the graphics components.

Problem 3: Plasma and Different Colours on your Screen

When this happens, a problem lies within the LCD screen. It is truly broken and needs to be replaced. This kind of problem is usually caused by a physical malfunction of the glass sandwich that is a part of the LCD. The test on problem 2 should be done as well. The same diagnosis is carried out to see display differences on an external monitor. When a smooth picture is displayed on another monitor, it would be the right time to get a new LCD.

Problem 4: Abnormal Pixels on the Screen

These problems are usually caused by defects in manufacturing. Errors during the production process can cause transistors to die or stop activating within the LCD. In some cases, a dead pixel can be fixed; however, when the person makes mistakes with the repair, it can have even more problems. There are a lot of programmes which function to solve these. Owners can search for them online. Many of these can turn dead, hot, or stuck pixels around and even get them to work.

But then again, if none would work, the best that you can do is to get replacement laptop screens.

by: Lawrence White

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