If your device isn't running Windows 10, refer to the Windows 8 instructions.
From the Home screen, navigate: Settings (located in the lower-left) > Devices.
If the Windows Settings options are not visible, tap or click the Settings Home icon (located in the upper-left) to go to the Settings home page.
Utilize the touchscreen (if available) or mouse to select on-screen options.
From the left-pane, tap Bluetooth & other devices.
If Off, tap the Bluetooth switch to turn On .
Bluetooth must be on to remove connection.