Can´t see my Networks adapters in the Device manager!

Help!
I´m using Yoga 2 pro/windows 8.1
I can´t see the Networks adapter in the Device manager?!
(and no internet/WIFI connection is not working any more)
I´ve tried to install the latest Wireless Driver from lenovos homepage but it there is still problems. The laptop still can´t find any network adapter and the wifi connection doesn´t work, as it did last week!
Any one who has the same exeperience/or knew how to deal with these kind of issues?
/Rasmus

hi Rasmus,
Can you try these steps:
1. Check if you have a Network Controller entry in the Device Manager and follow this guide to get the hardware ID and on how identify the device.
2. If there's no Network Controller entry in the Device Manager, then it's possible that the Wi-Fi card might have been disabled.
Things to try:
 - Boot into the BIOS either by pressing Fn+F2 on boot-up, the OneKey Recovery button, or via the UEFI Firmare Settings. 
 - In the BIOS, navigate to the Configuration tab and disable the Wireless setting  hit Fn+F10 to Save and Exit then shut off the machine. 
 - Boot back into the BIOS and enable the Wireless setting then hit Fn+F10 to Save and Exit and observe if you can now detect wireless networks.
Let me know how it goes.
Regards
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