Please enter full-screen mode now. (Press Control + Command + F)
When ready, click the "Begin Test" button below. A checkered pattern will be displayed for 3 minutes.
Once completed, a solid gray window will appear for 1 minute.
After 1 minute, inspect the display for anomalies using the viewing method shown below:
NOTE: The screen must be viewed at a 90-degree angle for this test.
IMPORTANT:
Please avoid staring at the checkered pattern while the test is running. Doing so will impact your ability to accurately determine the outcome of the test.