Dead Pixel Test OR Stuck Pixel Detectors Online HD

DEFECTIVE PIXEL can make your visual display screen unclear and uneasy to see or a solid color dot are seen on the screen, which requires a smart check for that take a dead pixel test.

Full Black Screen
Full White Screen
Full Red Screen
Full Green Screen
Full Blue Screen

Steps To Perform a Stuck OR Dead Pixel Test:

If you need a quick efficient defective screen pixel detector, all you need to follow the below mentioned very easy rules to perform.

Step 1 (optional): Clean or rinse your screen with a soft fabric to wipe away dust if any.

Step 2: Click on “Start Test button” which will active the full screen mode.

Step 3: Click the Right Mouse Button, Enter, Spacebar, Up or Down key to switch to next color screen test.

Moreover, you can exit full screen or return back to your page by using esc key.

dead pixel test

The computer screen or touchscreen or any LCD (liquid crystal display) you use consists of millions of programmed tiny lights and is a composition of billions of small light spots called pixels.

The smooth output screen that you encounter is the result of fresh and functioning pixels that is combination of primary colors RGB (RED, GREEN, BLUE). The unclear and broken screen effect is due to defective pixel or stocking of pixel on one or more color since the images and graphics are color combinations of RGB.

Difference Between stuck pixel or a dead pixel

Stuck pixel is the one which can be of any color because it is formed due to mismatch mixing of RGB color combination or inactivity of one of the colors whereas dead pixel is the one which appears black dark because of dysfunctionality of all RGB colors at a time.

Now, one may encounter different types of dots like dark dots, light dots or semi-dark dots (in between) which may be due to semi-pixel defect. Different approaches are used to estimate such problems i.e., using color pixel tests (which you can perform by using same tool which we are proving), let’s look at each briefly.

Color (Red, green, blue) Screen Defective Pixel Test

It refers to the situation when in full screen mode the whole LCD screen appears red and pixel defects are detected using color pixel defect locators and spots can easily be identified.

Black screen defective pixel test: It refers to the situation when in full screen mode the whole LCD screen appears black and pixel defects are detected using light spots pixel defect locators and light spots can easily be identified as it’s a blackout and immediate identification is done by naked human eye.

White screen defective pixel test:

Similarly, white screen is applicable to identify dark and black spots.

So, all the above color types cover the domain of almost each type of screen pixel defect.

If you encounter such a problem, no need to worry because we provide complete step by step guidance to our delighted users.

Conclusively, it’s a simple computer LCD screen test to detect either stuck or dead pixel of your computer screen which annoy the users by presenting solid background and contrasting dark-spots. Using our tool one can easily get on this defect and enhance their work performance by increasing visibility.


Do I need to install some software to run the dead pixel test?
The answer is not necessarily, you can easily perform this simple test online on TecAgile.
How can I fix my screen if I get more then one dead pixel areas or spots on my screen?
Its not a difficult task, one can use different ways to get on this problem. You can use pressure and heat, run some additional tests, get upper-class software to locate dead pixels or replace your monitor screen if necessary, depending on the severity of the dead pixel issue.
How many times do I need to perform the stuck pixel test?
Well, it totally depends on the may perform it twice a week to make a regular check or can even skip for a month so, free will is applicable.