So, I installed Windows 10 after reading about it and getting over the insane amount of data Windows mines from you . I figured that most companies do something like this and Microsoft just so happens to be quite candid about it -- after it was brought to light by someone on a site which shall not be named (I'm sure those of you who know can guess). Be that as it may, my Lenovo G580 stopped being able to reach the Internet and I clicked on my WiFi was grayed out and could not, would not connect to my wireless connection no matter what I did. Luckily I managed to resolve it through a workaround. So, if you're stuck then you should just follow the instructions. This should work for any WiFi connectivity issue (you just have to download the drivers that pertain to your particular WiFi hardware model. Mine just happens to be the Qualcomm Atheros AR9285 .