How to calibrate your monitor Posted on January 17, 2018 by threads77 Reply Learn how to tweak your desktop or laptop display using free test patterns or the built-in utility in Windows or Mac OS X. <a href=”https://www.cnet.com/how-to/how-to-calibrate-your-monitor/”>https://www.cnet.com/how-to/how-to-calibrate-your-monitor/</a>