Cannot turn off Bluetooth on B series (B320 i5)

Whenever the computer starts, the Bluetooth light will be turned on. Although I have removed all Bluetooth related applications and there is no Bluetooth device shown on Computer Device list.
I have checked BIOS. There is no way to turn-off, too.
Is there any way to turn-off Bluetooth light?
It is esstential that if the Bluetooth and Wifi lights are turned-on, my computer will be hanged very frequently even I restore from the original factory image.
Please advise what I can do. Thanks.

You may disable the Bluetooth device from the Device Manager if it helps you.
To uninstall the Bluetooth driver, you need uninstall it from the device manager and if prompts to delete installation folder please proceed.
After this please go to Control Panel and check for Bluetooth software, if it is there then uninstall it.
Please check this if it resolve the issue for you.
Best Regard,
Tanuj
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