How to switch on bluetooth in Windows 7 and Windows 8.1?
The above symptom is associated with, but not limited to, the following systems:
1. Switch on the wireless/bluetooth physical switch. (Skip to step 2, if there is no physical switch.)
2. Press Fn+functinal keys to enable the bluetooth. (For some machines, it may require to pre-install energy management before pressing Fn combination keys.) The shortcut keys are different in Windows 7 and Windows 8.1, details are as follow:
Press Fn+F5 (F4, F6) to enable the bluetooth, or press Fn+F5 (F4, F6) to call out energy management interface, then select to switch the bluetooth on.
Method one: press F7 or Fn+F7 to switch Airplane mode off, then the bluetooth will be on automatically.
Method two: open Charms bar --> Click "Change PC settings" --> "Network". Select "Airplane mode" on the left panel, then slide the bluetooth on.