Welcome to the Lagom LCD monitor test pages. With the test images on these pages, you can easily adjust the settings of your monitor to get the best possible picture quality.

For this test, you need to attach a second monitor to your computer and set the video card in clone mode, such that both monitors display the same image. Take a photo of both monitors …

Contrast This test may be affected by your operating system color profile. The following image shows scales of linearly increasing RGB values. On a good monitor, you should see roughly …

This is what the Gamma viewing angle test looks like on a fairly typical mid-range LCD monitor (a 2005 model) based on a TN matrix. The first photo is taken from a distance equal to the …

Most LCD monitors have a gamma setting that you can play with. In addition, the contrast setting can affect this test, but don't change the contrast so much that it fails the quick contrast test.

In order to prevent damage, LCD displays quickly alternate the voltage between positive and negative for each pixel, which is called 'polarity inversion'. Ideally, the rapid polarity inversion …

Single-page version This is the single-page version of the Lagom LCD monitor test pages. The full version contains extensive descriptions of how to use and interpret the images. The use and …

Use the contrast setting, and maybe gamma to improve the display of the darker squares, but watch out for undoing the optimizations in the earlier images. On most LCD monitors, the …

This page contains the test images of the Lagom LCD monitor test pages, the embedded color profile information is removed from some of the tests. More specifically, the contrast, gamma, …

Your video card resolution must match the native resolution of your screen for this test (see Display settings). On an occasional LCD monitor, the clock/phase settings are called "focus" …