Freeware: IsMyLcdOK for all Windows versions
Suitable for:
Windows 12, 11, 10, 8.1, 7, Server 2012-2025, 2022 (x64, x32, x86)
A small but effective tool to check LCD or plasma monitors under Windows for dead or paralyzed pixels.
1. Main features
2. Design
3. Usability
4. Installation and portability
5. Functionality
6. Applications
7. Conclusion
1.) Main features
Non-functioning pixels are immediately visible during this test. IsMyLcdOK is a quick and easy way to check whether there are any defective pixels on your screen.
The program is ideal for:
- Checking the functionality before buying a monitor
. - Testing monitors that have already been purchased during the warranty period in order to obtain a replacement from the manufacturer if necessary.
IsMyLcdOK is an extremely small tool from the "Test tools for Windows" category. It is portable, does not need to be installed and offers a high level of practical use.
2.) Design
The software was specifically designed to quickly and easily achieve its main goal - the search for defective or dead pixels. With its easy operation, IsMyLcdOK
is aimed at all PC users, regardless of their technical background knowledge. No specialist knowledge of monitors or LCD technology is necessary. Everyone can benefit from the functions from the first use.
3.) Usability
When you start the program for the first time, it displays license information that only needs to be confirmed once per computer. You can then choose between German and English as the program language - this does not affect the functionality of the tool, however.
After starting, IsMyLcdOK immediately shows all functions and test options. The test instructions can be called up at any time by pressing the F1 key
. Functions:
- Testing pixels using different color areas, color gradients and lines.
- From version 1.01: The "Paint Stress" mode, which is activated using the F2 key , subjects the monitor to a graphics stress test.
- Easily exit the program using the ESC key .
4.) Installation and portability
IsMyLcdOK does not require installation:
- Simply place the file on your desktop and start the pixel test immediately.
- Thanks to its small file size, the tool is ideal for use on a USB stick . This means you can test monitors on the go or pass the tool on to friends and acquaintances.
5.) Functionality
Pixel tester with different colors and color gradients:
- [1] White test
- [2] Black test
- [3] Red test
- [4] Green test
- [5] Blue test
- [6] Cyan test
- [7] Purple test - [8
] Yellow test
- [9] Horizontal color gradient
- [0] Vertical color gradient
- [V] Vertical lines
- [H] Horizontal lines
Graphic stress test:
- [F2] Paint stress
Reviving pixels:
A special process is used to return stuck pixels to their normal state by quickly alternating between red, green and blue tones (over 60 frames per second). Let the flashing graphic run for 1-2 minutes - with a bit of luck, paralyzed pixels can be revived.
6.) Possible uses
- When buying a new or used monitor : test the monitor in the store or after delivery to make sure it is fault-free.
- To check LCD and plasma TVs : thanks to the PC connections on modern devices, TV screens can also be tested.
- To regularly check your own screen in order to identify possible errors at an early stage.
When you start the program, a clear window opens showing all the key combinations for the available tests. Switch between the different test modes to:
- display color areas,
- check the speed of image processing,
- analyze the frame rate and
- check the color representation.
7.) Conclusion
IsMyLcdOK is an indispensable tool for anyone who wants to check their monitor regularly or test a new screen before buying it. Thanks to its portability and ease of use, it is suitable for both beginners and experts.
More information:
►► How does reviving pixels work with IsMyLcdOK?
The screen tester is a very small tool from the category of test tools for Windows and, above all, does not need to be installed. The practical use is relatively large
