Cannot connect to known wi-fi networks after waking up from standby

After waking up from standby mode, my Lenovo X200 laptop cannot connect to known Wi-Fi networks (both at home and office).

It uses Intel WiFi Link 5100 AGN card and Microsoft's driver with Windows 10 Build 10586.36.

I try setting the 802.11n Change Width for band 2,4 to Auto.
It works!

Set 802.11n Chanel Width for band 2.4 to Auto

Hope this will save you time if run into the same situation.

Be HAPPY!

Java: Free Online Courses

The Java™ Tutorials by Oracle The Java Tutorials are practical guides for programmers who want to use the Java programming language to create applications. They include hundreds of complete, working examples, and dozens of lessons. Groups of related lessons are organized into "trails". https://docs.oracle.com/javase/tutorial/ Learn to Program in Java at edX.ogr Get started on the path to becoming a software engineer by learning core coding skills in Java—one of the most popular programming languages. https://www.edx.org/course/learn-to-program-in-java-0 Java Tutorial by javapoint.com https://www.javatpoint.com/java-tutorial Java Tutorial by SoloLearn.com I love SoloLearn because I can learn Java - and other popular programming languages - anywhere, any time on your mobile devices. https://www.sololearn.com/Course/Java/ Java on Azure https://docs.microsoft.com/en-us/learn/paths/java-on-azure/

Less secure app access in gmail or G Suite

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The Amazon Product Advertising API

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