Control Panel\All Control Panel Items\Power Options\Create a Power Plan
Select High performance.
Start, control panel, device manager. Click on Network and then right click on your wireless adapter, left click properties, power management. Uncheck the box, allow computer to turn off this device to save power.
Start, all programs, accessories, right click on command prompt, left click run as administrator. Type
netsh winsock reset catalog
This will reset the winsock catalog
If looking for Bluetooth icon is the system tray...
Start, in Search, type
Click on it. This will put the Bluetooth icon in the system tray, near the clock. Bluetooth can be enabled/disabled there.
If you are using Windows 8/8.1 you will need to turn the wifi/Bluetooth on by the following steps instead of using FN+F2.
How to turn on or turn off WiFi/Bluetooth?
NOTE: There is no physical switch to enable/disable wireless. It has to be done through PC settings.
Launch Settings Charm and select Change PC settings.
Select Wireless from the left pane.
Under the Wireless devices option, move the WiFi/Bluetooth slider to turn it off. Move the slider again to turn it on.