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A dead pixel can be a huge pain, whether its on your smartphone, desktop monitor, or laptop. Fortunately, even though a dead pixel isnt a great sign of monitor health, there are ways you can sometimes bring that pixel back to life. If your device is no longer under warranty or you dont want to take it to a professional, dont despair. Heres how to fix a dead pixel in just a few steps.Fix a dead pixel with JScreenFix Step 1: Go to the JScreenFix website. Open your favorite browser and navigate to the JScreenFix homepage. screenshot Step 2: Launch the web app. Click the blue Launch JScreenFix button at the bottom of the page. screenshot Step 3: Let the JScreenFix app run for at least 30 minutes. Drag the white noise window to where your stuck or dead pixel is located, and then let it run for half an hour. JScreenFix claims it can repair most stuck pixels in under 10 minutes, but giving it plenty of time to work never hurts. Try using it several times if the first run wasnt successful. Keep in mind that this method uses both HTML5 and JavaScript and may work with LCD or OLED screens. If it doesnt work, though, you could always try one of the platform-specific tools below. Alternative ways to fix dead pixelsPixelHealer (Windows) PixelHealer is an entirely free application from Aurelitec that fixes pixel problems. Its compatible with Windows 7, 8, 10, and 11. Once downloaded, PixelHealer will present you with a colored box window and a settings menu. It is important to note, though, that users who are sensitive to flashing images should not look directly at the boxapp window, because as the app runs, the window will then flash multiple colors in quick succession. PixelHealer is more likely to work on a stuck pixel that shows signs of life than a dead pixel, which may stay unresponsive, but theres a chance it can fix both, so give this dead pixel fix a try regardless of how your wounded pixel is behaving. Dead Pixels Test and Fix (Android) With such a straightforward name, you know that Dead Pixels Test and Fix (DPTF) is a quick and easy dead pixel fix for locating and potentially repairing dead or stuck pixels. Its a free app and features an interface that is both self-explanatory and easy to navigate. DPTF assumes the same process as its competitor apps, using a series of solid color blank-outs on your screen to reveal damaged pixels. The developers recommend that you let DPTF run for at least 10 minutes to fix all of the pixels, but we had better results when we left it running for a couple of hours so it had time to fix all of the dead pixels. Youre going to need to have a full battery or your device connected to a power source while you execute this tool. Editors Recommendations Pixel combines two words, pix (picture) and el (elements). Pixels can be referred to as dots or squares, and these are the basic building blocks of a digital image.When lots of these tiny dotssquares are put together, they form a digital image. Every single pixel has three sub-pixels in red, green, and blue color. Transistors carry electric current to the sub-pixels; this current is why the change of color changes in pixels.Pixels compose the images displayed on the computer screen, television, laptop, video games, smartphones, and the list goes on. A pixel is the smallest controllable element of an image or display that a computer can print or display. DeadPixelTest.org is the simplest way to check if you have any dead pixel on your screen. Pick a color to go full screen and run a dead pixel test on your screen now. To run a dead pixel test on DeadPixelTest.org, simply follow these steps: Make sure your screen, monitor, or display is as clean as can be. If it is not, you might mistake dust or dirt for a dead pixel. To prepare your screen to be tested for dead pixels, grab a piece of soft cloth, preferably a high-density one. Then, gently and carefully rub every inch of your screen and make sure it is crystal clear.Click on the button above to start testing your screen for dead pixels. You will be redirected to our online testing app that will help you to check if you have any dead pixel on your screen. In case you are browsing from a mobile device, we recommend you to run one of our dead pixel test videos. Click on the Got it button. Your web browser will go full screen and display a single color. Displaying a single color on your full screen will help you detect if there are any missed displayed dot or pixel such as on the picture below. Then, either use your mouse to change colors, tap your screen, or use your keyboard arrows. Make sure to carefully inspect your screen for dead pixels with each color.Keep in mind that a malfunctioning pixel can either be dead or stuck. A pixel is in reality made of three sub pixels, one red, one green and one blue - check our post on what a dead pixel is for more details - that light up fully or partially depending on the color that must be displayed. A dead pixel will always display black - all three sub pixels dead -, whereas a stuck pixel will be stuck to a specific color - usually a combination of one or more stuck sub pixels.Once you are done, click on the cross at the top of the screen. You will be redirected to our test results page where you can let us know how your dead pixel test went. Simply put, a pixel is a dot on your screen that turns on or off and changes color according to the image that your device wants to display. In reality, a pixel is made of three sub pixels - one red, one green and one blue. Each of them can light up to a certain percentage to allow your pixel to display every color it needs. For instance, if all three sub pixels are lit to full power, your pixel will show white. If all are turned off, it will display black. If only the red sub pixel and the blue one are lit to full power, your pixel will show pink… What are dead pixels, what are stuck pixels? Sometimes, it will occurs that pixels can malfunction. Once again, in reality, pixel malfunctions are caused by sub pixels defects. One, two and even all three of them can be damaged. Sub pixels can either be completely broken so that they dont light up anymore, or they can be stuck and permanently lit. Is thus necessary to distinguish several cases: One or two dead sub pixel might result in your pixel remaining black only on some colors. For instance, if the dead sub pixel is the blue one, the pixel will remain black only on colors with some amount of blue in them. It wont have any problem with yellow, for instance (green + red), but show black if it needs to display pink (blue + red). Three dead sub pixels on a same pixel will result in a black dot on your screen, whatever it displays. One, two, or all three sub pixels might be stuck and cant turn off anymore. For instance, if both the blue and the green one are stuck, your pixel will be stuck on light blue. How to run a dead pixel test? To check if your screen has any dead pixel, simply use our app to display single colors on your full screen. Take time to inspect your screen carefully and check if there are any dead or stuck pixel. What to do if I have dead pixels or stuck pixels on my screen? First, it is necessary to say that you have way more chances to fix stuck pixels than dead pixels. Stuck pixels can technically still light up, while dead pixels seemingly cannot. In both cases, there are a few things worth trying. Grab a piece of soft cloth and gently rub your dead pixel or your stuck pixel. Try applying more and more pressure. Remove your cloth, and if youre lucky, your pixel should work properly again. Try this at your own risk. Try one of our dead pixel fix videos. Select your screen aspect ratio, and play the video full screen for at least an hour. We will flash colors on your screen at a very high speed rate to try to revive dead pixels and stuck pixels. If none of the above methods worked, you may check if your monitor or device still is under warranty. Some manufacturers have very comprehensive dead pixel policies, and if your malfunctioning pixel is impairing enough, they might replace or repair your monitor or device.
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