Please note that you are attempting a not validated hardware integration since only your system manufacturer is entitled to provide the list of certified adapters that are compatible with your system and the proper means to do the hardware exchange for you.
Regarding the Intel® Proset software and drivers for this wireless adapter and operating system the expected version is 15.7.0.3 even after installing package 15.8.
Intel� Wi-Fi Products; Regulatory information regarding hardware installation or upgrade
Intel� PROSet Wireless Software driver versions by Operating System
How to troubleshoot problems when you install or uninstall programs on a Windows-based computer
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